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9#include "adreno_gpu.h"
10
11#define ANY_ID 0xff
12
13bool hang_debug = false;
14MODULE_PARM_DESC(hang_debug, "Dump registers when hang is detected (can be slow!)");
15module_param_named(hang_debug, hang_debug, bool, 0600);
16
17static const struct adreno_info gpulist[] = {
18 {
19 .rev = ADRENO_REV(2, 0, 0, 0),
20 .revn = 200,
21 .name = "A200",
22 .fw = {
23 [ADRENO_FW_PM4] = "yamato_pm4.fw",
24 [ADRENO_FW_PFP] = "yamato_pfp.fw",
25 },
26 .gmem = SZ_256K,
27 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
28 .init = a2xx_gpu_init,
29 }, {
30 .rev = ADRENO_REV(2, 0, 0, 1),
31 .revn = 201,
32 .name = "A200",
33 .fw = {
34 [ADRENO_FW_PM4] = "yamato_pm4.fw",
35 [ADRENO_FW_PFP] = "yamato_pfp.fw",
36 },
37 .gmem = SZ_128K,
38 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
39 .init = a2xx_gpu_init,
40 }, {
41 .rev = ADRENO_REV(2, 2, 0, ANY_ID),
42 .revn = 220,
43 .name = "A220",
44 .fw = {
45 [ADRENO_FW_PM4] = "leia_pm4_470.fw",
46 [ADRENO_FW_PFP] = "leia_pfp_470.fw",
47 },
48 .gmem = SZ_512K,
49 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
50 .init = a2xx_gpu_init,
51 }, {
52 .rev = ADRENO_REV(3, 0, 5, ANY_ID),
53 .revn = 305,
54 .name = "A305",
55 .fw = {
56 [ADRENO_FW_PM4] = "a300_pm4.fw",
57 [ADRENO_FW_PFP] = "a300_pfp.fw",
58 },
59 .gmem = SZ_256K,
60 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
61 .init = a3xx_gpu_init,
62 }, {
63 .rev = ADRENO_REV(3, 0, 6, 0),
64 .revn = 307,
65 .name = "A306",
66 .fw = {
67 [ADRENO_FW_PM4] = "a300_pm4.fw",
68 [ADRENO_FW_PFP] = "a300_pfp.fw",
69 },
70 .gmem = SZ_128K,
71 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
72 .init = a3xx_gpu_init,
73 }, {
74 .rev = ADRENO_REV(3, 2, ANY_ID, ANY_ID),
75 .revn = 320,
76 .name = "A320",
77 .fw = {
78 [ADRENO_FW_PM4] = "a300_pm4.fw",
79 [ADRENO_FW_PFP] = "a300_pfp.fw",
80 },
81 .gmem = SZ_512K,
82 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
83 .init = a3xx_gpu_init,
84 }, {
85 .rev = ADRENO_REV(3, 3, 0, ANY_ID),
86 .revn = 330,
87 .name = "A330",
88 .fw = {
89 [ADRENO_FW_PM4] = "a330_pm4.fw",
90 [ADRENO_FW_PFP] = "a330_pfp.fw",
91 },
92 .gmem = SZ_1M,
93 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
94 .init = a3xx_gpu_init,
95 }, {
96 .rev = ADRENO_REV(4, 2, 0, ANY_ID),
97 .revn = 420,
98 .name = "A420",
99 .fw = {
100 [ADRENO_FW_PM4] = "a420_pm4.fw",
101 [ADRENO_FW_PFP] = "a420_pfp.fw",
102 },
103 .gmem = (SZ_1M + SZ_512K),
104 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
105 .init = a4xx_gpu_init,
106 }, {
107 .rev = ADRENO_REV(4, 3, 0, ANY_ID),
108 .revn = 430,
109 .name = "A430",
110 .fw = {
111 [ADRENO_FW_PM4] = "a420_pm4.fw",
112 [ADRENO_FW_PFP] = "a420_pfp.fw",
113 },
114 .gmem = (SZ_1M + SZ_512K),
115 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
116 .init = a4xx_gpu_init,
117 }, {
118 .rev = ADRENO_REV(5, 3, 0, 2),
119 .revn = 530,
120 .name = "A530",
121 .fw = {
122 [ADRENO_FW_PM4] = "a530_pm4.fw",
123 [ADRENO_FW_PFP] = "a530_pfp.fw",
124 [ADRENO_FW_GPMU] = "a530v3_gpmu.fw2",
125 },
126 .gmem = SZ_1M,
127
128
129
130
131 .inactive_period = 250,
132 .quirks = ADRENO_QUIRK_TWO_PASS_USE_WFI |
133 ADRENO_QUIRK_FAULT_DETECT_MASK,
134 .init = a5xx_gpu_init,
135 .zapfw = "a530_zap.mdt",
136 }, {
137 .rev = ADRENO_REV(5, 4, 0, 2),
138 .revn = 540,
139 .name = "A540",
140 .fw = {
141 [ADRENO_FW_PM4] = "a530_pm4.fw",
142 [ADRENO_FW_PFP] = "a530_pfp.fw",
143 [ADRENO_FW_GPMU] = "a540_gpmu.fw2",
144 },
145 .gmem = SZ_1M,
146
147
148
149
150 .inactive_period = 250,
151 .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE,
152 .init = a5xx_gpu_init,
153 .zapfw = "a540_zap.mdt",
154 }, {
155 .rev = ADRENO_REV(6, 3, 0, ANY_ID),
156 .revn = 630,
157 .name = "A630",
158 .fw = {
159 [ADRENO_FW_SQE] = "a630_sqe.fw",
160 [ADRENO_FW_GMU] = "a630_gmu.bin",
161 },
162 .gmem = SZ_1M,
163 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
164 .init = a6xx_gpu_init,
165 .zapfw = "a630_zap.mdt",
166 },
167};
168
169MODULE_FIRMWARE("qcom/a300_pm4.fw");
170MODULE_FIRMWARE("qcom/a300_pfp.fw");
171MODULE_FIRMWARE("qcom/a330_pm4.fw");
172MODULE_FIRMWARE("qcom/a330_pfp.fw");
173MODULE_FIRMWARE("qcom/a420_pm4.fw");
174MODULE_FIRMWARE("qcom/a420_pfp.fw");
175MODULE_FIRMWARE("qcom/a530_pm4.fw");
176MODULE_FIRMWARE("qcom/a530_pfp.fw");
177MODULE_FIRMWARE("qcom/a530v3_gpmu.fw2");
178MODULE_FIRMWARE("qcom/a530_zap.mdt");
179MODULE_FIRMWARE("qcom/a530_zap.b00");
180MODULE_FIRMWARE("qcom/a530_zap.b01");
181MODULE_FIRMWARE("qcom/a530_zap.b02");
182MODULE_FIRMWARE("qcom/a630_sqe.fw");
183MODULE_FIRMWARE("qcom/a630_gmu.bin");
184
185static inline bool _rev_match(uint8_t entry, uint8_t id)
186{
187 return (entry == ANY_ID) || (entry == id);
188}
189
190const struct adreno_info *adreno_info(struct adreno_rev rev)
191{
192 int i;
193
194
195 for (i = 0; i < ARRAY_SIZE(gpulist); i++) {
196 const struct adreno_info *info = &gpulist[i];
197 if (_rev_match(info->rev.core, rev.core) &&
198 _rev_match(info->rev.major, rev.major) &&
199 _rev_match(info->rev.minor, rev.minor) &&
200 _rev_match(info->rev.patchid, rev.patchid))
201 return info;
202 }
203
204 return NULL;
205}
206
207struct msm_gpu *adreno_load_gpu(struct drm_device *dev)
208{
209 struct msm_drm_private *priv = dev->dev_private;
210 struct platform_device *pdev = priv->gpu_pdev;
211 struct msm_gpu *gpu = NULL;
212 struct adreno_gpu *adreno_gpu;
213 int ret;
214
215 if (pdev)
216 gpu = platform_get_drvdata(pdev);
217
218 if (!gpu) {
219 dev_err_once(dev->dev, "no GPU device was found\n");
220 return NULL;
221 }
222
223 adreno_gpu = to_adreno_gpu(gpu);
224
225
226
227
228
229
230
231 ret = adreno_load_fw(adreno_gpu);
232 if (ret)
233 return NULL;
234
235
236 pm_runtime_set_active(&pdev->dev);
237
238 ret = pm_runtime_get_sync(&pdev->dev);
239 if (ret < 0) {
240 pm_runtime_put_sync(&pdev->dev);
241 DRM_DEV_ERROR(dev->dev, "Couldn't power up the GPU: %d\n", ret);
242 return NULL;
243 }
244
245 mutex_lock(&dev->struct_mutex);
246 ret = msm_gpu_hw_init(gpu);
247 mutex_unlock(&dev->struct_mutex);
248 pm_runtime_put_autosuspend(&pdev->dev);
249 if (ret) {
250 DRM_DEV_ERROR(dev->dev, "gpu hw init failed: %d\n", ret);
251 return NULL;
252 }
253
254#ifdef CONFIG_DEBUG_FS
255 if (gpu->funcs->debugfs_init) {
256 gpu->funcs->debugfs_init(gpu, dev->primary);
257 gpu->funcs->debugfs_init(gpu, dev->render);
258 }
259#endif
260
261 return gpu;
262}
263
264static void set_gpu_pdev(struct drm_device *dev,
265 struct platform_device *pdev)
266{
267 struct msm_drm_private *priv = dev->dev_private;
268 priv->gpu_pdev = pdev;
269}
270
271static int find_chipid(struct device *dev, struct adreno_rev *rev)
272{
273 struct device_node *node = dev->of_node;
274 const char *compat;
275 int ret;
276 u32 chipid;
277
278
279 ret = of_property_read_string_index(node, "compatible", 0, &compat);
280 if (ret == 0) {
281 unsigned int r, patch;
282
283 if (sscanf(compat, "qcom,adreno-%u.%u", &r, &patch) == 2 ||
284 sscanf(compat, "amd,imageon-%u.%u", &r, &patch) == 2) {
285 rev->core = r / 100;
286 r %= 100;
287 rev->major = r / 10;
288 r %= 10;
289 rev->minor = r;
290 rev->patchid = patch;
291
292 return 0;
293 }
294 }
295
296
297 ret = of_property_read_u32(node, "qcom,chipid", &chipid);
298 if (ret) {
299 DRM_DEV_ERROR(dev, "could not parse qcom,chipid: %d\n", ret);
300 return ret;
301 }
302
303 rev->core = (chipid >> 24) & 0xff;
304 rev->major = (chipid >> 16) & 0xff;
305 rev->minor = (chipid >> 8) & 0xff;
306 rev->patchid = (chipid & 0xff);
307
308 dev_warn(dev, "Using legacy qcom,chipid binding!\n");
309 dev_warn(dev, "Use compatible qcom,adreno-%u%u%u.%u instead.\n",
310 rev->core, rev->major, rev->minor, rev->patchid);
311
312 return 0;
313}
314
315static int adreno_bind(struct device *dev, struct device *master, void *data)
316{
317 static struct adreno_platform_config config = {};
318 const struct adreno_info *info;
319 struct drm_device *drm = dev_get_drvdata(master);
320 struct msm_drm_private *priv = drm->dev_private;
321 struct msm_gpu *gpu;
322 int ret;
323
324 ret = find_chipid(dev, &config.rev);
325 if (ret)
326 return ret;
327
328 dev->platform_data = &config;
329 set_gpu_pdev(drm, to_platform_device(dev));
330
331 info = adreno_info(config.rev);
332
333 if (!info) {
334 dev_warn(drm->dev, "Unknown GPU revision: %u.%u.%u.%u\n",
335 config.rev.core, config.rev.major,
336 config.rev.minor, config.rev.patchid);
337 return -ENXIO;
338 }
339
340 DBG("Found GPU: %u.%u.%u.%u", config.rev.core, config.rev.major,
341 config.rev.minor, config.rev.patchid);
342
343 priv->is_a2xx = config.rev.core == 2;
344
345 gpu = info->init(drm);
346 if (IS_ERR(gpu)) {
347 dev_warn(drm->dev, "failed to load adreno gpu\n");
348 return PTR_ERR(gpu);
349 }
350
351 dev_set_drvdata(dev, gpu);
352
353 return 0;
354}
355
356static void adreno_unbind(struct device *dev, struct device *master,
357 void *data)
358{
359 struct msm_gpu *gpu = dev_get_drvdata(dev);
360
361 pm_runtime_force_suspend(dev);
362 gpu->funcs->destroy(gpu);
363
364 set_gpu_pdev(dev_get_drvdata(master), NULL);
365}
366
367static const struct component_ops a3xx_ops = {
368 .bind = adreno_bind,
369 .unbind = adreno_unbind,
370};
371
372static void adreno_device_register_headless(void)
373{
374
375
376
377 struct platform_device_info dummy_info = {
378 .parent = NULL,
379 .name = "msm",
380 .id = -1,
381 .res = NULL,
382 .num_res = 0,
383 .data = NULL,
384 .size_data = 0,
385 .dma_mask = ~0,
386 };
387 platform_device_register_full(&dummy_info);
388}
389
390static int adreno_probe(struct platform_device *pdev)
391{
392
393 int ret;
394
395 ret = component_add(&pdev->dev, &a3xx_ops);
396 if (ret)
397 return ret;
398
399 if (of_device_is_compatible(pdev->dev.of_node, "amd,imageon"))
400 adreno_device_register_headless();
401
402 return 0;
403}
404
405static int adreno_remove(struct platform_device *pdev)
406{
407 component_del(&pdev->dev, &a3xx_ops);
408 return 0;
409}
410
411static const struct of_device_id dt_match[] = {
412 { .compatible = "qcom,adreno" },
413 { .compatible = "qcom,adreno-3xx" },
414
415 { .compatible = "amd,imageon" },
416
417 { .compatible = "qcom,kgsl-3d0" },
418 {}
419};
420
421#ifdef CONFIG_PM
422static int adreno_resume(struct device *dev)
423{
424 struct platform_device *pdev = to_platform_device(dev);
425 struct msm_gpu *gpu = platform_get_drvdata(pdev);
426
427 return gpu->funcs->pm_resume(gpu);
428}
429
430static int adreno_suspend(struct device *dev)
431{
432 struct platform_device *pdev = to_platform_device(dev);
433 struct msm_gpu *gpu = platform_get_drvdata(pdev);
434
435 return gpu->funcs->pm_suspend(gpu);
436}
437#endif
438
439static const struct dev_pm_ops adreno_pm_ops = {
440 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
441 SET_RUNTIME_PM_OPS(adreno_suspend, adreno_resume, NULL)
442};
443
444static struct platform_driver adreno_driver = {
445 .probe = adreno_probe,
446 .remove = adreno_remove,
447 .driver = {
448 .name = "adreno",
449 .of_match_table = dt_match,
450 .pm = &adreno_pm_ops,
451 },
452};
453
454void __init adreno_register(void)
455{
456 platform_driver_register(&adreno_driver);
457}
458
459void __exit adreno_unregister(void)
460{
461 platform_driver_unregister(&adreno_driver);
462}
463