blob: f5c99a008717199f4f22bbf189d90923325d4dae [file] [log] [blame]
Alex Deucherd38ceaf2015-04-20 16:55:21 -04001/**
2 * \file amdgpu_drv.c
3 * AMD Amdgpu driver
4 *
5 * \author Gareth Hughes <gareth@valinux.com>
6 */
7
8/*
9 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10 * All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice (including the next
20 * paragraph) shall be included in all copies or substantial portions of the
21 * Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29 * OTHER DEALINGS IN THE SOFTWARE.
30 */
31
32#include <drm/drmP.h>
33#include <drm/amdgpu_drm.h>
34#include <drm/drm_gem.h>
35#include "amdgpu_drv.h"
36
37#include <drm/drm_pciids.h>
38#include <linux/console.h>
39#include <linux/module.h>
40#include <linux/pm_runtime.h>
41#include <linux/vga_switcheroo.h>
42#include "drm_crtc_helper.h"
43
44#include "amdgpu.h"
45#include "amdgpu_irq.h"
46
Oded Gabbay130e0372015-06-12 21:35:14 +030047#include "amdgpu_amdkfd.h"
48
Alex Deucherd38ceaf2015-04-20 16:55:21 -040049/*
50 * KMS wrapper.
51 * - 3.0.0 - initial driver
Marek Olšák6055f372015-08-18 23:58:47 +020052 * - 3.1.0 - allow reading more status registers (GRBM, SRBM, SDMA, CP)
Marek Olšákf84e63f2016-04-28 14:32:44 +020053 * - 3.2.0 - GFX8: Uses EOP_TC_WB_ACTION_EN, so UMDs don't have to do the same
54 * at the end of IBs.
Christian Königd347ce62016-07-14 14:34:17 +020055 * - 3.3.0 - Add VM support for UVD on supported hardware.
Marek Olšák83a59b62016-08-17 23:58:58 +020056 * - 3.4.0 - Add AMDGPU_INFO_NUM_EVICTIONS.
Alex Deucherd38ceaf2015-04-20 16:55:21 -040057 */
58#define KMS_DRIVER_MAJOR 3
Marek Olšák83a59b62016-08-17 23:58:58 +020059#define KMS_DRIVER_MINOR 4
Alex Deucherd38ceaf2015-04-20 16:55:21 -040060#define KMS_DRIVER_PATCHLEVEL 0
61
62int amdgpu_vram_limit = 0;
63int amdgpu_gart_size = -1; /* auto */
64int amdgpu_benchmarking = 0;
65int amdgpu_testing = 0;
66int amdgpu_audio = -1;
67int amdgpu_disp_priority = 0;
68int amdgpu_hw_i2c = 0;
69int amdgpu_pcie_gen2 = -1;
70int amdgpu_msi = -1;
Alex Deuchera895c222015-08-13 13:20:20 -040071int amdgpu_lockup_timeout = 0;
Alex Deucherd38ceaf2015-04-20 16:55:21 -040072int amdgpu_dpm = -1;
73int amdgpu_smc_load_fw = 1;
74int amdgpu_aspm = -1;
75int amdgpu_runtime_pm = -1;
Alex Deucherd38ceaf2015-04-20 16:55:21 -040076unsigned amdgpu_ip_block_mask = 0xffffffff;
77int amdgpu_bapm = -1;
78int amdgpu_deep_color = 0;
Christian Königed885b22015-10-15 17:34:20 +020079int amdgpu_vm_size = 64;
Alex Deucherd38ceaf2015-04-20 16:55:21 -040080int amdgpu_vm_block_size = -1;
Christian Königd9c13152015-09-28 12:31:26 +020081int amdgpu_vm_fault_stop = 0;
Christian Königb495bd32015-09-10 14:00:35 +020082int amdgpu_vm_debug = 0;
Alex Deucherd38ceaf2015-04-20 16:55:21 -040083int amdgpu_exp_hw_support = 0;
Chunming Zhoub70f0142015-12-10 15:46:50 +080084int amdgpu_sched_jobs = 32;
Jammy Zhou4afcb302015-07-30 16:44:05 +080085int amdgpu_sched_hw_submission = 2;
Jammy Zhoue61710c2015-11-10 18:31:08 -050086int amdgpu_powerplay = -1;
Huang Rui6bb6b292016-05-24 13:47:05 +080087int amdgpu_powercontainment = 1;
Rex Zhuaf223df2016-07-28 16:51:47 +080088int amdgpu_sclk_deep_sleep_en = 1;
Alex Deuchercd474ba2016-02-04 10:21:23 -050089unsigned amdgpu_pcie_gen_cap = 0;
90unsigned amdgpu_pcie_lane_cap = 0;
Nicolai Hähnle395d1fb2016-06-02 12:32:07 +020091unsigned amdgpu_cg_mask = 0xffffffff;
92unsigned amdgpu_pg_mask = 0xffffffff;
Nicolai Hähnle6f8941a2016-06-17 19:31:33 +020093char *amdgpu_disable_cu = NULL;
Emily Deng9accf2f2016-08-10 16:01:25 +080094char *amdgpu_virtual_display = NULL;
Alex Deucherd38ceaf2015-04-20 16:55:21 -040095
96MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
97module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
98
99MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
100module_param_named(gartsize, amdgpu_gart_size, int, 0600);
101
102MODULE_PARM_DESC(benchmark, "Run benchmark");
103module_param_named(benchmark, amdgpu_benchmarking, int, 0444);
104
105MODULE_PARM_DESC(test, "Run tests");
106module_param_named(test, amdgpu_testing, int, 0444);
107
108MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
109module_param_named(audio, amdgpu_audio, int, 0444);
110
111MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
112module_param_named(disp_priority, amdgpu_disp_priority, int, 0444);
113
114MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
115module_param_named(hw_i2c, amdgpu_hw_i2c, int, 0444);
116
117MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
118module_param_named(pcie_gen2, amdgpu_pcie_gen2, int, 0444);
119
120MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
121module_param_named(msi, amdgpu_msi, int, 0444);
122
Alex Deuchera895c222015-08-13 13:20:20 -0400123MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 0 = disable)");
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400124module_param_named(lockup_timeout, amdgpu_lockup_timeout, int, 0444);
125
126MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
127module_param_named(dpm, amdgpu_dpm, int, 0444);
128
129MODULE_PARM_DESC(smc_load_fw, "SMC firmware loading(1 = enable, 0 = disable)");
130module_param_named(smc_load_fw, amdgpu_smc_load_fw, int, 0444);
131
132MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
133module_param_named(aspm, amdgpu_aspm, int, 0444);
134
135MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
136module_param_named(runpm, amdgpu_runtime_pm, int, 0444);
137
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400138MODULE_PARM_DESC(ip_block_mask, "IP Block Mask (all blocks enabled (default))");
139module_param_named(ip_block_mask, amdgpu_ip_block_mask, uint, 0444);
140
141MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
142module_param_named(bapm, amdgpu_bapm, int, 0444);
143
144MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
145module_param_named(deep_color, amdgpu_deep_color, int, 0444);
146
Christian Königed885b22015-10-15 17:34:20 +0200147MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 64GB)");
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400148module_param_named(vm_size, amdgpu_vm_size, int, 0444);
149
150MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
151module_param_named(vm_block_size, amdgpu_vm_block_size, int, 0444);
152
Christian Königd9c13152015-09-28 12:31:26 +0200153MODULE_PARM_DESC(vm_fault_stop, "Stop on VM fault (0 = never (default), 1 = print first, 2 = always)");
154module_param_named(vm_fault_stop, amdgpu_vm_fault_stop, int, 0444);
155
Christian Königb495bd32015-09-10 14:00:35 +0200156MODULE_PARM_DESC(vm_debug, "Debug VM handling (0 = disabled (default), 1 = enabled)");
157module_param_named(vm_debug, amdgpu_vm_debug, int, 0644);
158
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400159MODULE_PARM_DESC(exp_hw_support, "experimental hw support (1 = enable, 0 = disable (default))");
160module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444);
161
Chunming Zhoub70f0142015-12-10 15:46:50 +0800162MODULE_PARM_DESC(sched_jobs, "the max number of jobs supported in the sw queue (default 32)");
Jammy Zhou1333f722015-07-30 16:36:58 +0800163module_param_named(sched_jobs, amdgpu_sched_jobs, int, 0444);
164
Jammy Zhou4afcb302015-07-30 16:44:05 +0800165MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)");
166module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444);
167
Jammy Zhou3a74f6f2015-07-21 14:01:50 +0800168#ifdef CONFIG_DRM_AMD_POWERPLAY
Jammy Zhoue61710c2015-11-10 18:31:08 -0500169MODULE_PARM_DESC(powerplay, "Powerplay component (1 = enable, 0 = disable, -1 = auto (default))");
Jammy Zhou3a74f6f2015-07-21 14:01:50 +0800170module_param_named(powerplay, amdgpu_powerplay, int, 0444);
Huang Rui6bb6b292016-05-24 13:47:05 +0800171
172MODULE_PARM_DESC(powercontainment, "Power Containment (1 = enable (default), 0 = disable)");
173module_param_named(powercontainment, amdgpu_powercontainment, int, 0444);
Jammy Zhou3a74f6f2015-07-21 14:01:50 +0800174#endif
175
Rex Zhuaf223df2016-07-28 16:51:47 +0800176MODULE_PARM_DESC(sclkdeepsleep, "SCLK Deep Sleep (1 = enable (default), 0 = disable)");
177module_param_named(sclkdeepsleep, amdgpu_sclk_deep_sleep_en, int, 0444);
178
Alex Deuchercd474ba2016-02-04 10:21:23 -0500179MODULE_PARM_DESC(pcie_gen_cap, "PCIE Gen Caps (0: autodetect (default))");
180module_param_named(pcie_gen_cap, amdgpu_pcie_gen_cap, uint, 0444);
181
182MODULE_PARM_DESC(pcie_lane_cap, "PCIE Lane Caps (0: autodetect (default))");
183module_param_named(pcie_lane_cap, amdgpu_pcie_lane_cap, uint, 0444);
184
Nicolai Hähnle395d1fb2016-06-02 12:32:07 +0200185MODULE_PARM_DESC(cg_mask, "Clockgating flags mask (0 = disable clock gating)");
186module_param_named(cg_mask, amdgpu_cg_mask, uint, 0444);
187
188MODULE_PARM_DESC(pg_mask, "Powergating flags mask (0 = disable power gating)");
189module_param_named(pg_mask, amdgpu_pg_mask, uint, 0444);
190
Nicolai Hähnle6f8941a2016-06-17 19:31:33 +0200191MODULE_PARM_DESC(disable_cu, "Disable CUs (se.sh.cu,...)");
192module_param_named(disable_cu, amdgpu_disable_cu, charp, 0444);
193
Emily Deng9accf2f2016-08-10 16:01:25 +0800194MODULE_PARM_DESC(virtual_display, "Enable virtual display feature (the virtual_display will be set like xxxx:xx:xx.x;xxxx:xx:xx.x)");
195module_param_named(virtual_display, amdgpu_virtual_display, charp, 0444);
Emily Denge4430592016-08-08 11:37:29 +0800196
Nils Wallméniusf498d9e2016-04-10 16:29:59 +0200197static const struct pci_device_id pciidlist[] = {
Alex Deucher89330c32015-04-20 17:36:52 -0400198#ifdef CONFIG_DRM_AMDGPU_CIK
199 /* Kaveri */
Jammy Zhou2f7d10b2015-07-22 11:29:01 +0800200 {0x1002, 0x1304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
201 {0x1002, 0x1305, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
202 {0x1002, 0x1306, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
203 {0x1002, 0x1307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
204 {0x1002, 0x1309, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
205 {0x1002, 0x130A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
206 {0x1002, 0x130B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
207 {0x1002, 0x130C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
208 {0x1002, 0x130D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
209 {0x1002, 0x130E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
210 {0x1002, 0x130F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
211 {0x1002, 0x1310, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
212 {0x1002, 0x1311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
213 {0x1002, 0x1312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
214 {0x1002, 0x1313, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
215 {0x1002, 0x1315, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
216 {0x1002, 0x1316, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
217 {0x1002, 0x1317, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
218 {0x1002, 0x1318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_MOBILITY|AMD_IS_APU},
219 {0x1002, 0x131B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
220 {0x1002, 0x131C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
221 {0x1002, 0x131D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|AMD_IS_APU},
Alex Deucher89330c32015-04-20 17:36:52 -0400222 /* Bonaire */
Jammy Zhou2f7d10b2015-07-22 11:29:01 +0800223 {0x1002, 0x6640, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
224 {0x1002, 0x6641, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
225 {0x1002, 0x6646, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
226 {0x1002, 0x6647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|AMD_IS_MOBILITY},
Alex Deucher89330c32015-04-20 17:36:52 -0400227 {0x1002, 0x6649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
228 {0x1002, 0x6650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
229 {0x1002, 0x6651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
230 {0x1002, 0x6658, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
231 {0x1002, 0x665c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
232 {0x1002, 0x665d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
Alex Deucherfb4f1732015-05-12 13:06:45 -0400233 {0x1002, 0x665f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE},
Alex Deucher89330c32015-04-20 17:36:52 -0400234 /* Hawaii */
235 {0x1002, 0x67A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
236 {0x1002, 0x67A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
237 {0x1002, 0x67A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
238 {0x1002, 0x67A8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
239 {0x1002, 0x67A9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
240 {0x1002, 0x67AA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
241 {0x1002, 0x67B0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
242 {0x1002, 0x67B1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
243 {0x1002, 0x67B8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
244 {0x1002, 0x67B9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
245 {0x1002, 0x67BA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
246 {0x1002, 0x67BE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAWAII},
247 /* Kabini */
Jammy Zhou2f7d10b2015-07-22 11:29:01 +0800248 {0x1002, 0x9830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
249 {0x1002, 0x9831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
250 {0x1002, 0x9832, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
251 {0x1002, 0x9833, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
252 {0x1002, 0x9834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
253 {0x1002, 0x9835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
254 {0x1002, 0x9836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
255 {0x1002, 0x9837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
256 {0x1002, 0x9838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
257 {0x1002, 0x9839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
258 {0x1002, 0x983a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
259 {0x1002, 0x983b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_MOBILITY|AMD_IS_APU},
260 {0x1002, 0x983c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
261 {0x1002, 0x983d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
262 {0x1002, 0x983e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
263 {0x1002, 0x983f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|AMD_IS_APU},
Alex Deucher89330c32015-04-20 17:36:52 -0400264 /* mullins */
Jammy Zhou2f7d10b2015-07-22 11:29:01 +0800265 {0x1002, 0x9850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
266 {0x1002, 0x9851, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
267 {0x1002, 0x9852, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
268 {0x1002, 0x9853, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
269 {0x1002, 0x9854, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
270 {0x1002, 0x9855, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
271 {0x1002, 0x9856, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
272 {0x1002, 0x9857, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
273 {0x1002, 0x9858, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
274 {0x1002, 0x9859, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
275 {0x1002, 0x985A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
276 {0x1002, 0x985B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
277 {0x1002, 0x985C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
278 {0x1002, 0x985D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
279 {0x1002, 0x985E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
280 {0x1002, 0x985F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU},
Alex Deucher89330c32015-04-20 17:36:52 -0400281#endif
Alex Deucher1256a8b2015-04-20 17:37:54 -0400282 /* topaz */
Alex Deucherdba280b2016-02-02 16:24:20 -0500283 {0x1002, 0x6900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
284 {0x1002, 0x6901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
285 {0x1002, 0x6902, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
286 {0x1002, 0x6903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
287 {0x1002, 0x6907, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ},
Alex Deucher1256a8b2015-04-20 17:37:54 -0400288 /* tonga */
289 {0x1002, 0x6920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
290 {0x1002, 0x6921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
291 {0x1002, 0x6928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
Alex Deucher1f8d9622015-05-12 13:10:05 -0400292 {0x1002, 0x6929, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
Alex Deucher1256a8b2015-04-20 17:37:54 -0400293 {0x1002, 0x692B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
294 {0x1002, 0x692F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
Alex Deucher1f8d9622015-05-12 13:10:05 -0400295 {0x1002, 0x6930, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
Alex Deucher1256a8b2015-04-20 17:37:54 -0400296 {0x1002, 0x6938, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
297 {0x1002, 0x6939, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA},
David Zhang2da78e22015-07-11 23:13:40 +0800298 /* fiji */
299 {0x1002, 0x7300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_FIJI},
Alex Deucher1256a8b2015-04-20 17:37:54 -0400300 /* carrizo */
Jammy Zhou2f7d10b2015-07-22 11:29:01 +0800301 {0x1002, 0x9870, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
302 {0x1002, 0x9874, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
303 {0x1002, 0x9875, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
304 {0x1002, 0x9876, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
305 {0x1002, 0x9877, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CARRIZO|AMD_IS_APU},
Samuel Li81b15092015-10-08 16:32:03 -0400306 /* stoney */
307 {0x1002, 0x98E4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_STONEY|AMD_IS_APU},
Flora Cui2cc0c0b2016-03-14 18:33:29 -0400308 /* Polaris11 */
309 {0x1002, 0x67E0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
Flora Cui35621b82016-05-17 09:52:02 +0800310 {0x1002, 0x67E3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
Flora Cui2cc0c0b2016-03-14 18:33:29 -0400311 {0x1002, 0x67E8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
Flora Cui2cc0c0b2016-03-14 18:33:29 -0400312 {0x1002, 0x67EB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
Flora Cui35621b82016-05-17 09:52:02 +0800313 {0x1002, 0x67EF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
Flora Cui2cc0c0b2016-03-14 18:33:29 -0400314 {0x1002, 0x67FF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
Flora Cui35621b82016-05-17 09:52:02 +0800315 {0x1002, 0x67E1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
316 {0x1002, 0x67E7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
317 {0x1002, 0x67E9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS11},
Flora Cui2cc0c0b2016-03-14 18:33:29 -0400318 /* Polaris10 */
319 {0x1002, 0x67C0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
Flora Cui1dcf4802016-05-16 17:17:41 +0800320 {0x1002, 0x67C1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
321 {0x1002, 0x67C2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
322 {0x1002, 0x67C4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
323 {0x1002, 0x67C7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
Flora Cui2cc0c0b2016-03-14 18:33:29 -0400324 {0x1002, 0x67DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
Flora Cui1dcf4802016-05-16 17:17:41 +0800325 {0x1002, 0x67C8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
326 {0x1002, 0x67C9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
327 {0x1002, 0x67CA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
328 {0x1002, 0x67CC, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
329 {0x1002, 0x67CF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS10},
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400330
331 {0, 0, 0}
332};
333
334MODULE_DEVICE_TABLE(pci, pciidlist);
335
336static struct drm_driver kms_driver;
337
338static int amdgpu_kick_out_firmware_fb(struct pci_dev *pdev)
339{
340 struct apertures_struct *ap;
341 bool primary = false;
342
343 ap = alloc_apertures(1);
344 if (!ap)
345 return -ENOMEM;
346
347 ap->ranges[0].base = pci_resource_start(pdev, 0);
348 ap->ranges[0].size = pci_resource_len(pdev, 0);
349
350#ifdef CONFIG_X86
351 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
352#endif
353 remove_conflicting_framebuffers(ap, "amdgpudrmfb", primary);
354 kfree(ap);
355
356 return 0;
357}
358
359static int amdgpu_pci_probe(struct pci_dev *pdev,
360 const struct pci_device_id *ent)
361{
362 unsigned long flags = ent->driver_data;
363 int ret;
364
Jammy Zhou2f7d10b2015-07-22 11:29:01 +0800365 if ((flags & AMD_EXP_HW_SUPPORT) && !amdgpu_exp_hw_support) {
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400366 DRM_INFO("This hardware requires experimental hardware support.\n"
367 "See modparam exp_hw_support\n");
368 return -ENODEV;
369 }
370
Oded Gabbayefb1c652016-02-09 13:30:12 +0200371 /*
372 * Initialize amdkfd before starting radeon. If it was not loaded yet,
373 * defer radeon probing
374 */
375 ret = amdgpu_amdkfd_init();
376 if (ret == -EPROBE_DEFER)
377 return ret;
378
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400379 /* Get rid of things like offb */
380 ret = amdgpu_kick_out_firmware_fb(pdev);
381 if (ret)
382 return ret;
383
384 return drm_get_pci_dev(pdev, ent, &kms_driver);
385}
386
387static void
388amdgpu_pci_remove(struct pci_dev *pdev)
389{
390 struct drm_device *dev = pci_get_drvdata(pdev);
391
392 drm_put_dev(dev);
393}
394
395static int amdgpu_pmops_suspend(struct device *dev)
396{
397 struct pci_dev *pdev = to_pci_dev(dev);
398 struct drm_device *drm_dev = pci_get_drvdata(pdev);
399 return amdgpu_suspend_kms(drm_dev, true, true);
400}
401
402static int amdgpu_pmops_resume(struct device *dev)
403{
404 struct pci_dev *pdev = to_pci_dev(dev);
405 struct drm_device *drm_dev = pci_get_drvdata(pdev);
406 return amdgpu_resume_kms(drm_dev, true, true);
407}
408
409static int amdgpu_pmops_freeze(struct device *dev)
410{
411 struct pci_dev *pdev = to_pci_dev(dev);
412 struct drm_device *drm_dev = pci_get_drvdata(pdev);
413 return amdgpu_suspend_kms(drm_dev, false, true);
414}
415
416static int amdgpu_pmops_thaw(struct device *dev)
417{
418 struct pci_dev *pdev = to_pci_dev(dev);
419 struct drm_device *drm_dev = pci_get_drvdata(pdev);
420 return amdgpu_resume_kms(drm_dev, false, true);
421}
422
423static int amdgpu_pmops_runtime_suspend(struct device *dev)
424{
425 struct pci_dev *pdev = to_pci_dev(dev);
426 struct drm_device *drm_dev = pci_get_drvdata(pdev);
427 int ret;
428
429 if (!amdgpu_device_is_px(drm_dev)) {
430 pm_runtime_forbid(dev);
431 return -EBUSY;
432 }
433
434 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
435 drm_kms_helper_poll_disable(drm_dev);
436 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
437
438 ret = amdgpu_suspend_kms(drm_dev, false, false);
439 pci_save_state(pdev);
440 pci_disable_device(pdev);
441 pci_ignore_hotplug(pdev);
Alex Deucher11670972016-06-02 09:08:32 -0400442 if (amdgpu_is_atpx_hybrid())
443 pci_set_power_state(pdev, PCI_D3cold);
Alex Deucher522761c2016-06-02 09:18:34 -0400444 else if (!amdgpu_has_atpx_dgpu_power_cntl())
Alex Deucher7e32aa62016-06-01 13:12:25 -0400445 pci_set_power_state(pdev, PCI_D3hot);
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400446 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
447
448 return 0;
449}
450
451static int amdgpu_pmops_runtime_resume(struct device *dev)
452{
453 struct pci_dev *pdev = to_pci_dev(dev);
454 struct drm_device *drm_dev = pci_get_drvdata(pdev);
455 int ret;
456
457 if (!amdgpu_device_is_px(drm_dev))
458 return -EINVAL;
459
460 drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
461
Alex Deucher522761c2016-06-02 09:18:34 -0400462 if (amdgpu_is_atpx_hybrid() ||
463 !amdgpu_has_atpx_dgpu_power_cntl())
464 pci_set_power_state(pdev, PCI_D0);
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400465 pci_restore_state(pdev);
466 ret = pci_enable_device(pdev);
467 if (ret)
468 return ret;
469 pci_set_master(pdev);
470
471 ret = amdgpu_resume_kms(drm_dev, false, false);
472 drm_kms_helper_poll_enable(drm_dev);
473 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
474 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
475 return 0;
476}
477
478static int amdgpu_pmops_runtime_idle(struct device *dev)
479{
480 struct pci_dev *pdev = to_pci_dev(dev);
481 struct drm_device *drm_dev = pci_get_drvdata(pdev);
482 struct drm_crtc *crtc;
483
484 if (!amdgpu_device_is_px(drm_dev)) {
485 pm_runtime_forbid(dev);
486 return -EBUSY;
487 }
488
489 list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
490 if (crtc->enabled) {
491 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
492 return -EBUSY;
493 }
494 }
495
496 pm_runtime_mark_last_busy(dev);
497 pm_runtime_autosuspend(dev);
498 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
499 return 1;
500}
501
502long amdgpu_drm_ioctl(struct file *filp,
503 unsigned int cmd, unsigned long arg)
504{
505 struct drm_file *file_priv = filp->private_data;
506 struct drm_device *dev;
507 long ret;
508 dev = file_priv->minor->dev;
509 ret = pm_runtime_get_sync(dev->dev);
510 if (ret < 0)
511 return ret;
512
513 ret = drm_ioctl(filp, cmd, arg);
514
515 pm_runtime_mark_last_busy(dev->dev);
516 pm_runtime_put_autosuspend(dev->dev);
517 return ret;
518}
519
520static const struct dev_pm_ops amdgpu_pm_ops = {
521 .suspend = amdgpu_pmops_suspend,
522 .resume = amdgpu_pmops_resume,
523 .freeze = amdgpu_pmops_freeze,
524 .thaw = amdgpu_pmops_thaw,
525 .poweroff = amdgpu_pmops_freeze,
526 .restore = amdgpu_pmops_resume,
527 .runtime_suspend = amdgpu_pmops_runtime_suspend,
528 .runtime_resume = amdgpu_pmops_runtime_resume,
529 .runtime_idle = amdgpu_pmops_runtime_idle,
530};
531
532static const struct file_operations amdgpu_driver_kms_fops = {
533 .owner = THIS_MODULE,
534 .open = drm_open,
535 .release = drm_release,
536 .unlocked_ioctl = amdgpu_drm_ioctl,
537 .mmap = amdgpu_mmap,
538 .poll = drm_poll,
539 .read = drm_read,
540#ifdef CONFIG_COMPAT
541 .compat_ioctl = amdgpu_kms_compat_ioctl,
542#endif
543};
544
545static struct drm_driver kms_driver = {
546 .driver_features =
547 DRIVER_USE_AGP |
548 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
Frank Binns7056bb52016-06-24 18:15:17 +0100549 DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET,
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400550 .dev_priv_size = 0,
551 .load = amdgpu_driver_load_kms,
552 .open = amdgpu_driver_open_kms,
553 .preclose = amdgpu_driver_preclose_kms,
554 .postclose = amdgpu_driver_postclose_kms,
555 .lastclose = amdgpu_driver_lastclose_kms,
556 .set_busid = drm_pci_set_busid,
557 .unload = amdgpu_driver_unload_kms,
558 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
559 .enable_vblank = amdgpu_enable_vblank_kms,
560 .disable_vblank = amdgpu_disable_vblank_kms,
561 .get_vblank_timestamp = amdgpu_get_vblank_timestamp_kms,
562 .get_scanout_position = amdgpu_get_crtc_scanoutpos,
563#if defined(CONFIG_DEBUG_FS)
564 .debugfs_init = amdgpu_debugfs_init,
565 .debugfs_cleanup = amdgpu_debugfs_cleanup,
566#endif
567 .irq_preinstall = amdgpu_irq_preinstall,
568 .irq_postinstall = amdgpu_irq_postinstall,
569 .irq_uninstall = amdgpu_irq_uninstall,
570 .irq_handler = amdgpu_irq_handler,
571 .ioctls = amdgpu_ioctls_kms,
Daniel Vettere7294de2016-04-26 19:29:43 +0200572 .gem_free_object_unlocked = amdgpu_gem_object_free,
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400573 .gem_open_object = amdgpu_gem_object_open,
574 .gem_close_object = amdgpu_gem_object_close,
575 .dumb_create = amdgpu_mode_dumb_create,
576 .dumb_map_offset = amdgpu_mode_dumb_mmap,
577 .dumb_destroy = drm_gem_dumb_destroy,
578 .fops = &amdgpu_driver_kms_fops,
579
580 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
581 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
582 .gem_prime_export = amdgpu_gem_prime_export,
583 .gem_prime_import = drm_gem_prime_import,
584 .gem_prime_pin = amdgpu_gem_prime_pin,
585 .gem_prime_unpin = amdgpu_gem_prime_unpin,
586 .gem_prime_res_obj = amdgpu_gem_prime_res_obj,
587 .gem_prime_get_sg_table = amdgpu_gem_prime_get_sg_table,
588 .gem_prime_import_sg_table = amdgpu_gem_prime_import_sg_table,
589 .gem_prime_vmap = amdgpu_gem_prime_vmap,
590 .gem_prime_vunmap = amdgpu_gem_prime_vunmap,
591
592 .name = DRIVER_NAME,
593 .desc = DRIVER_DESC,
594 .date = DRIVER_DATE,
595 .major = KMS_DRIVER_MAJOR,
596 .minor = KMS_DRIVER_MINOR,
597 .patchlevel = KMS_DRIVER_PATCHLEVEL,
598};
599
600static struct drm_driver *driver;
601static struct pci_driver *pdriver;
602
603static struct pci_driver amdgpu_kms_pci_driver = {
604 .name = DRIVER_NAME,
605 .id_table = pciidlist,
606 .probe = amdgpu_pci_probe,
607 .remove = amdgpu_pci_remove,
608 .driver.pm = &amdgpu_pm_ops,
609};
610
Rex Zhud573de22016-05-12 13:27:28 +0800611
612
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400613static int __init amdgpu_init(void)
614{
Christian König257bf152016-02-16 11:24:58 +0100615 amdgpu_sync_init();
Rex Zhud573de22016-05-12 13:27:28 +0800616 amdgpu_fence_slab_init();
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400617 if (vgacon_text_force()) {
618 DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
619 return -EINVAL;
620 }
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400621 DRM_INFO("amdgpu kernel modesetting enabled.\n");
622 driver = &kms_driver;
623 pdriver = &amdgpu_kms_pci_driver;
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400624 driver->num_ioctls = amdgpu_max_kms_ioctl;
625 amdgpu_register_atpx_handler();
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400626 /* let modprobe override vga console setting */
627 return drm_pci_init(driver, pdriver);
628}
629
630static void __exit amdgpu_exit(void)
631{
Oded Gabbay130e0372015-06-12 21:35:14 +0300632 amdgpu_amdkfd_fini();
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400633 drm_pci_exit(driver, pdriver);
634 amdgpu_unregister_atpx_handler();
Christian König257bf152016-02-16 11:24:58 +0100635 amdgpu_sync_fini();
Rex Zhud573de22016-05-12 13:27:28 +0800636 amdgpu_fence_slab_fini();
Alex Deucherd38ceaf2015-04-20 16:55:21 -0400637}
638
639module_init(amdgpu_init);
640module_exit(amdgpu_exit);
641
642MODULE_AUTHOR(DRIVER_AUTHOR);
643MODULE_DESCRIPTION(DRIVER_DESC);
644MODULE_LICENSE("GPL and additional rights");