1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2013-2014 Red Hat
4 * Author: Rob Clark <robdclark@gmail.com>
5 *
6 * Copyright (c) 2014,2017 The Linux Foundation. All rights reserved.
7 */
8
9 #include "adreno_gpu.h"
10
11 #define ANY_ID 0xff
12
13 bool hang_debug = false;
14 MODULE_PARM_DESC(hang_debug, "Dump registers when hang is detected (can be slow!)");
15 module_param_named(hang_debug, hang_debug, bool, 0600);
16
17 static 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 }, { /* a200 on i.mx51 has only 128kib gmem */
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, /* because a305c is revn==306 */
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 * Increase inactive period to 250 to avoid bouncing
129 * the GDSC which appears to make it grumpy
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 * Increase inactive period to 250 to avoid bouncing
148 * the GDSC which appears to make it grumpy
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
169 MODULE_FIRMWARE("qcom/a300_pm4.fw");
170 MODULE_FIRMWARE("qcom/a300_pfp.fw");
171 MODULE_FIRMWARE("qcom/a330_pm4.fw");
172 MODULE_FIRMWARE("qcom/a330_pfp.fw");
173 MODULE_FIRMWARE("qcom/a420_pm4.fw");
174 MODULE_FIRMWARE("qcom/a420_pfp.fw");
175 MODULE_FIRMWARE("qcom/a530_pm4.fw");
176 MODULE_FIRMWARE("qcom/a530_pfp.fw");
177 MODULE_FIRMWARE("qcom/a530v3_gpmu.fw2");
178 MODULE_FIRMWARE("qcom/a530_zap.mdt");
179 MODULE_FIRMWARE("qcom/a530_zap.b00");
180 MODULE_FIRMWARE("qcom/a530_zap.b01");
181 MODULE_FIRMWARE("qcom/a530_zap.b02");
182 MODULE_FIRMWARE("qcom/a630_sqe.fw");
183 MODULE_FIRMWARE("qcom/a630_gmu.bin");
184 MODULE_FIRMWARE("qcom/a630_zap.mbn");
185
_rev_match(uint8_t entry,uint8_t id)186 static inline bool _rev_match(uint8_t entry, uint8_t id)
187 {
188 return (entry == ANY_ID) || (entry == id);
189 }
190
adreno_info(struct adreno_rev rev)191 const struct adreno_info *adreno_info(struct adreno_rev rev)
192 {
193 int i;
194
195 /* identify gpu: */
196 for (i = 0; i < ARRAY_SIZE(gpulist); i++) {
197 const struct adreno_info *info = &gpulist[i];
198 if (_rev_match(info->rev.core, rev.core) &&
199 _rev_match(info->rev.major, rev.major) &&
200 _rev_match(info->rev.minor, rev.minor) &&
201 _rev_match(info->rev.patchid, rev.patchid))
202 return info;
203 }
204
205 return NULL;
206 }
207
adreno_load_gpu(struct drm_device * dev)208 struct msm_gpu *adreno_load_gpu(struct drm_device *dev)
209 {
210 struct msm_drm_private *priv = dev->dev_private;
211 struct platform_device *pdev = priv->gpu_pdev;
212 struct msm_gpu *gpu = NULL;
213 struct adreno_gpu *adreno_gpu;
214 int ret;
215
216 if (pdev)
217 gpu = platform_get_drvdata(pdev);
218
219 if (!gpu) {
220 dev_err_once(dev->dev, "no GPU device was found\n");
221 return NULL;
222 }
223
224 adreno_gpu = to_adreno_gpu(gpu);
225
226 /*
227 * The number one reason for HW init to fail is if the firmware isn't
228 * loaded yet. Try that first and don't bother continuing on
229 * otherwise
230 */
231
232 ret = adreno_load_fw(adreno_gpu);
233 if (ret)
234 return NULL;
235
236 /* Make sure pm runtime is active and reset any previous errors */
237 pm_runtime_set_active(&pdev->dev);
238
239 ret = pm_runtime_get_sync(&pdev->dev);
240 if (ret < 0) {
241 pm_runtime_put_sync(&pdev->dev);
242 DRM_DEV_ERROR(dev->dev, "Couldn't power up the GPU: %d\n", ret);
243 return NULL;
244 }
245
246 mutex_lock(&dev->struct_mutex);
247 ret = msm_gpu_hw_init(gpu);
248 mutex_unlock(&dev->struct_mutex);
249 pm_runtime_put_autosuspend(&pdev->dev);
250 if (ret) {
251 DRM_DEV_ERROR(dev->dev, "gpu hw init failed: %d\n", ret);
252 return NULL;
253 }
254
255 #ifdef CONFIG_DEBUG_FS
256 if (gpu->funcs->debugfs_init) {
257 gpu->funcs->debugfs_init(gpu, dev->primary);
258 gpu->funcs->debugfs_init(gpu, dev->render);
259 }
260 #endif
261
262 return gpu;
263 }
264
set_gpu_pdev(struct drm_device * dev,struct platform_device * pdev)265 static void set_gpu_pdev(struct drm_device *dev,
266 struct platform_device *pdev)
267 {
268 struct msm_drm_private *priv = dev->dev_private;
269 priv->gpu_pdev = pdev;
270 }
271
find_chipid(struct device * dev,struct adreno_rev * rev)272 static int find_chipid(struct device *dev, struct adreno_rev *rev)
273 {
274 struct device_node *node = dev->of_node;
275 const char *compat;
276 int ret;
277 u32 chipid;
278
279 /* first search the compat strings for qcom,adreno-XYZ.W: */
280 ret = of_property_read_string_index(node, "compatible", 0, &compat);
281 if (ret == 0) {
282 unsigned int r, patch;
283
284 if (sscanf(compat, "qcom,adreno-%u.%u", &r, &patch) == 2 ||
285 sscanf(compat, "amd,imageon-%u.%u", &r, &patch) == 2) {
286 rev->core = r / 100;
287 r %= 100;
288 rev->major = r / 10;
289 r %= 10;
290 rev->minor = r;
291 rev->patchid = patch;
292
293 return 0;
294 }
295 }
296
297 /* and if that fails, fall back to legacy "qcom,chipid" property: */
298 ret = of_property_read_u32(node, "qcom,chipid", &chipid);
299 if (ret) {
300 DRM_DEV_ERROR(dev, "could not parse qcom,chipid: %d\n", ret);
301 return ret;
302 }
303
304 rev->core = (chipid >> 24) & 0xff;
305 rev->major = (chipid >> 16) & 0xff;
306 rev->minor = (chipid >> 8) & 0xff;
307 rev->patchid = (chipid & 0xff);
308
309 dev_warn(dev, "Using legacy qcom,chipid binding!\n");
310 dev_warn(dev, "Use compatible qcom,adreno-%u%u%u.%u instead.\n",
311 rev->core, rev->major, rev->minor, rev->patchid);
312
313 return 0;
314 }
315
adreno_bind(struct device * dev,struct device * master,void * data)316 static int adreno_bind(struct device *dev, struct device *master, void *data)
317 {
318 static struct adreno_platform_config config = {};
319 const struct adreno_info *info;
320 struct drm_device *drm = dev_get_drvdata(master);
321 struct msm_drm_private *priv = drm->dev_private;
322 struct msm_gpu *gpu;
323 int ret;
324
325 ret = find_chipid(dev, &config.rev);
326 if (ret)
327 return ret;
328
329 dev->platform_data = &config;
330 set_gpu_pdev(drm, to_platform_device(dev));
331
332 info = adreno_info(config.rev);
333
334 if (!info) {
335 dev_warn(drm->dev, "Unknown GPU revision: %u.%u.%u.%u\n",
336 config.rev.core, config.rev.major,
337 config.rev.minor, config.rev.patchid);
338 return -ENXIO;
339 }
340
341 DBG("Found GPU: %u.%u.%u.%u", config.rev.core, config.rev.major,
342 config.rev.minor, config.rev.patchid);
343
344 priv->is_a2xx = config.rev.core == 2;
345
346 gpu = info->init(drm);
347 if (IS_ERR(gpu)) {
348 dev_warn(drm->dev, "failed to load adreno gpu\n");
349 return PTR_ERR(gpu);
350 }
351
352 dev_set_drvdata(dev, gpu);
353
354 return 0;
355 }
356
adreno_unbind(struct device * dev,struct device * master,void * data)357 static void adreno_unbind(struct device *dev, struct device *master,
358 void *data)
359 {
360 struct msm_gpu *gpu = dev_get_drvdata(dev);
361
362 pm_runtime_force_suspend(dev);
363 gpu->funcs->destroy(gpu);
364
365 set_gpu_pdev(dev_get_drvdata(master), NULL);
366 }
367
368 static const struct component_ops a3xx_ops = {
369 .bind = adreno_bind,
370 .unbind = adreno_unbind,
371 };
372
adreno_device_register_headless(void)373 static void adreno_device_register_headless(void)
374 {
375 /* on imx5, we don't have a top-level mdp/dpu node
376 * this creates a dummy node for the driver for that case
377 */
378 struct platform_device_info dummy_info = {
379 .parent = NULL,
380 .name = "msm",
381 .id = -1,
382 .res = NULL,
383 .num_res = 0,
384 .data = NULL,
385 .size_data = 0,
386 .dma_mask = ~0,
387 };
388 platform_device_register_full(&dummy_info);
389 }
390
adreno_probe(struct platform_device * pdev)391 static int adreno_probe(struct platform_device *pdev)
392 {
393
394 int ret;
395
396 ret = component_add(&pdev->dev, &a3xx_ops);
397 if (ret)
398 return ret;
399
400 if (of_device_is_compatible(pdev->dev.of_node, "amd,imageon"))
401 adreno_device_register_headless();
402
403 return 0;
404 }
405
adreno_remove(struct platform_device * pdev)406 static int adreno_remove(struct platform_device *pdev)
407 {
408 component_del(&pdev->dev, &a3xx_ops);
409 return 0;
410 }
411
412 static const struct of_device_id dt_match[] = {
413 { .compatible = "qcom,adreno" },
414 { .compatible = "qcom,adreno-3xx" },
415 /* for compatibility with imx5 gpu: */
416 { .compatible = "amd,imageon" },
417 /* for backwards compat w/ downstream kgsl DT files: */
418 { .compatible = "qcom,kgsl-3d0" },
419 {}
420 };
421
422 #ifdef CONFIG_PM
adreno_resume(struct device * dev)423 static int adreno_resume(struct device *dev)
424 {
425 struct platform_device *pdev = to_platform_device(dev);
426 struct msm_gpu *gpu = platform_get_drvdata(pdev);
427
428 return gpu->funcs->pm_resume(gpu);
429 }
430
adreno_suspend(struct device * dev)431 static int adreno_suspend(struct device *dev)
432 {
433 struct platform_device *pdev = to_platform_device(dev);
434 struct msm_gpu *gpu = platform_get_drvdata(pdev);
435
436 return gpu->funcs->pm_suspend(gpu);
437 }
438 #endif
439
440 static const struct dev_pm_ops adreno_pm_ops = {
441 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
442 SET_RUNTIME_PM_OPS(adreno_suspend, adreno_resume, NULL)
443 };
444
445 static struct platform_driver adreno_driver = {
446 .probe = adreno_probe,
447 .remove = adreno_remove,
448 .driver = {
449 .name = "adreno",
450 .of_match_table = dt_match,
451 .pm = &adreno_pm_ops,
452 },
453 };
454
adreno_register(void)455 void __init adreno_register(void)
456 {
457 platform_driver_register(&adreno_driver);
458 }
459
adreno_unregister(void)460 void __exit adreno_unregister(void)
461 {
462 platform_driver_unregister(&adreno_driver);
463 }
464
