xref: /linux/drivers/media/platform/qcom/venus/core.c (revision bf4afc53b77aeaa48b5409da5c8da6bb4eff7f43)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2017 Linaro Ltd.
5  */
6 #include <linux/init.h>
7 #include <linux/interconnect.h>
8 #include <linux/io.h>
9 #include <linux/ioctl.h>
10 #include <linux/delay.h>
11 #include <linux/devcoredump.h>
12 #include <linux/list.h>
13 #include <linux/module.h>
14 #include <linux/of.h>
15 #include <linux/of_platform.h>
16 #include <linux/platform_device.h>
17 #include <linux/slab.h>
18 #include <linux/types.h>
19 #include <linux/pm_domain.h>
20 #include <linux/pm_runtime.h>
21 #include <media/videobuf2-v4l2.h>
22 #include <media/v4l2-ctrls.h>
23 #include <media/v4l2-mem2mem.h>
24 #include <media/v4l2-ioctl.h>
25 
26 #include "core.h"
27 #include "firmware.h"
28 #include "pm_helpers.h"
29 #include "hfi_venus_io.h"
30 
venus_coredump(struct venus_core * core)31 static void venus_coredump(struct venus_core *core)
32 {
33 	struct device *dev;
34 	phys_addr_t mem_phys;
35 	size_t mem_size;
36 	void *mem_va;
37 	void *data;
38 
39 	dev = core->dev;
40 	mem_phys = core->fw.mem_phys;
41 	mem_size = core->fw.mem_size;
42 
43 	mem_va = memremap(mem_phys, mem_size, MEMREMAP_WC);
44 	if (!mem_va)
45 		return;
46 
47 	data = vmalloc(mem_size);
48 	if (!data) {
49 		memunmap(mem_va);
50 		return;
51 	}
52 
53 	memcpy(data, mem_va, mem_size);
54 	memunmap(mem_va);
55 	dev_coredumpv(dev, data, mem_size, GFP_KERNEL);
56 }
57 
venus_event_notify(struct venus_core * core,u32 event)58 static void venus_event_notify(struct venus_core *core, u32 event)
59 {
60 	struct venus_inst *inst;
61 
62 	switch (event) {
63 	case EVT_SYS_WATCHDOG_TIMEOUT:
64 	case EVT_SYS_ERROR:
65 		break;
66 	default:
67 		return;
68 	}
69 
70 	mutex_lock(&core->lock);
71 	set_bit(0, &core->sys_error);
72 	set_bit(0, &core->dump_core);
73 	list_for_each_entry(inst, &core->instances, list)
74 		inst->ops->event_notify(inst, EVT_SESSION_ERROR, NULL);
75 	mutex_unlock(&core->lock);
76 
77 	disable_irq_nosync(core->irq);
78 	schedule_delayed_work(&core->work, msecs_to_jiffies(10));
79 }
80 
81 static const struct hfi_core_ops venus_core_ops = {
82 	.event_notify = venus_event_notify,
83 };
84 
85 #define RPM_WAIT_FOR_IDLE_MAX_ATTEMPTS 10
86 
venus_sys_error_handler(struct work_struct * work)87 static void venus_sys_error_handler(struct work_struct *work)
88 {
89 	struct venus_core *core =
90 			container_of(work, struct venus_core, work.work);
91 	int ret, i, max_attempts = RPM_WAIT_FOR_IDLE_MAX_ATTEMPTS;
92 	const char *err_msg = "";
93 	bool failed = false;
94 
95 	ret = pm_runtime_get_sync(core->dev);
96 	if (ret < 0) {
97 		err_msg = "resume runtime PM";
98 		max_attempts = 0;
99 		failed = true;
100 	}
101 
102 	core->ops->core_deinit(core);
103 	core->state = CORE_UNINIT;
104 
105 	for (i = 0; i < max_attempts; i++) {
106 		if (!pm_runtime_active(core->dev_dec) && !pm_runtime_active(core->dev_enc))
107 			break;
108 		msleep(10);
109 	}
110 
111 	mutex_lock(&core->lock);
112 
113 	venus_shutdown(core);
114 
115 	if (test_bit(0, &core->dump_core)) {
116 		venus_coredump(core);
117 		clear_bit(0, &core->dump_core);
118 	}
119 
120 	pm_runtime_put_sync(core->dev);
121 
122 	for (i = 0; i < max_attempts; i++) {
123 		if (!core->pmdomains ||
124 		    !pm_runtime_active(core->pmdomains->pd_devs[0]))
125 			break;
126 		usleep_range(1000, 1500);
127 	}
128 
129 	hfi_reinit(core);
130 
131 	ret = pm_runtime_get_sync(core->dev);
132 	if (ret < 0) {
133 		err_msg = "resume runtime PM";
134 		failed = true;
135 	}
136 
137 	ret = venus_boot(core);
138 	if (ret && !failed) {
139 		err_msg = "boot Venus";
140 		failed = true;
141 	}
142 
143 	ret = hfi_core_resume(core, true);
144 	if (ret && !failed) {
145 		err_msg = "resume HFI";
146 		failed = true;
147 	}
148 
149 	enable_irq(core->irq);
150 
151 	mutex_unlock(&core->lock);
152 
153 	ret = hfi_core_init(core);
154 	if (ret && !failed) {
155 		err_msg = "init HFI";
156 		failed = true;
157 	}
158 
159 	pm_runtime_put_sync(core->dev);
160 
161 	if (failed) {
162 		disable_irq_nosync(core->irq);
163 		dev_warn_ratelimited(core->dev,
164 				     "System error has occurred, recovery failed to %s\n",
165 				     err_msg);
166 		schedule_delayed_work(&core->work, msecs_to_jiffies(10));
167 		return;
168 	}
169 
170 	dev_warn(core->dev, "system error has occurred (recovered)\n");
171 
172 	mutex_lock(&core->lock);
173 	clear_bit(0, &core->sys_error);
174 	wake_up_all(&core->sys_err_done);
175 	mutex_unlock(&core->lock);
176 }
177 
to_v4l2_codec_type(u32 codec)178 static u32 to_v4l2_codec_type(u32 codec)
179 {
180 	switch (codec) {
181 	case HFI_VIDEO_CODEC_H264:
182 		return V4L2_PIX_FMT_H264;
183 	case HFI_VIDEO_CODEC_H263:
184 		return V4L2_PIX_FMT_H263;
185 	case HFI_VIDEO_CODEC_MPEG1:
186 		return V4L2_PIX_FMT_MPEG1;
187 	case HFI_VIDEO_CODEC_MPEG2:
188 		return V4L2_PIX_FMT_MPEG2;
189 	case HFI_VIDEO_CODEC_MPEG4:
190 		return V4L2_PIX_FMT_MPEG4;
191 	case HFI_VIDEO_CODEC_VC1:
192 		return V4L2_PIX_FMT_VC1_ANNEX_G;
193 	case HFI_VIDEO_CODEC_VP8:
194 		return V4L2_PIX_FMT_VP8;
195 	case HFI_VIDEO_CODEC_VP9:
196 		return V4L2_PIX_FMT_VP9;
197 	case HFI_VIDEO_CODEC_DIVX:
198 	case HFI_VIDEO_CODEC_DIVX_311:
199 		return V4L2_PIX_FMT_XVID;
200 	default:
201 		return 0;
202 	}
203 }
204 
venus_enumerate_codecs(struct venus_core * core,u32 type)205 static int venus_enumerate_codecs(struct venus_core *core, u32 type)
206 {
207 	const struct hfi_inst_ops dummy_ops = {};
208 	struct venus_inst *inst;
209 	u32 codec, codecs;
210 	unsigned int i;
211 	int ret;
212 
213 	if (core->res->hfi_version != HFI_VERSION_1XX)
214 		return 0;
215 
216 	inst = kzalloc_obj(*inst);
217 	if (!inst)
218 		return -ENOMEM;
219 
220 	mutex_init(&inst->lock);
221 	inst->core = core;
222 	inst->session_type = type;
223 	if (type == VIDC_SESSION_TYPE_DEC)
224 		codecs = core->dec_codecs;
225 	else
226 		codecs = core->enc_codecs;
227 
228 	ret = hfi_session_create(inst, &dummy_ops);
229 	if (ret)
230 		goto err;
231 
232 	for (i = 0; i < MAX_CODEC_NUM; i++) {
233 		codec = (1UL << i) & codecs;
234 		if (!codec)
235 			continue;
236 
237 		ret = hfi_session_init(inst, to_v4l2_codec_type(codec));
238 		if (ret)
239 			goto done;
240 
241 		ret = hfi_session_deinit(inst);
242 		if (ret)
243 			goto done;
244 	}
245 
246 done:
247 	hfi_session_destroy(inst);
248 err:
249 	mutex_destroy(&inst->lock);
250 	kfree(inst);
251 
252 	return ret;
253 }
254 
venus_assign_register_offsets(struct venus_core * core)255 static void venus_assign_register_offsets(struct venus_core *core)
256 {
257 	if (IS_IRIS2(core) || IS_IRIS2_1(core) || IS_AR50_LITE(core)) {
258 		core->cpu_base = core->base + CPU_BASE_V6;
259 		core->cpu_cs_base = core->base + CPU_CS_BASE_V6;
260 		core->cpu_ic_base = core->base + CPU_IC_BASE_V6;
261 		core->wrapper_base = core->base + WRAPPER_BASE_V6;
262 		core->wrapper_tz_base = core->base + WRAPPER_TZ_BASE_V6;
263 		if (IS_AR50_LITE(core)) {
264 			core->vbif_base = NULL;
265 			core->aon_base = NULL;
266 		} else {
267 			core->vbif_base = core->base + VBIF_BASE;
268 			core->aon_base = core->base + AON_BASE_V6;
269 		}
270 	} else {
271 		core->vbif_base = core->base + VBIF_BASE;
272 		core->cpu_base = core->base + CPU_BASE;
273 		core->cpu_cs_base = core->base + CPU_CS_BASE;
274 		core->cpu_ic_base = core->base + CPU_IC_BASE;
275 		core->wrapper_base = core->base + WRAPPER_BASE;
276 		core->wrapper_tz_base = NULL;
277 		core->aon_base = NULL;
278 	}
279 }
280 
venus_isr_thread(int irq,void * dev_id)281 static irqreturn_t venus_isr_thread(int irq, void *dev_id)
282 {
283 	struct venus_core *core = dev_id;
284 	irqreturn_t ret;
285 
286 	ret = hfi_isr_thread(irq, dev_id);
287 
288 	if (ret == IRQ_HANDLED && venus_fault_inject_ssr())
289 		hfi_core_trigger_ssr(core, HFI_TEST_SSR_SW_ERR_FATAL);
290 
291 	return ret;
292 }
293 
294 #if defined(CONFIG_OF_DYNAMIC)
venus_add_video_core(struct venus_core * core,const char * node_name,const char * compat)295 static int venus_add_video_core(struct venus_core *core, const char *node_name,
296 				const char *compat)
297 {
298 	struct of_changeset *ocs = core->ocs;
299 	struct device *dev = core->dev;
300 	struct device_node *np, *enp;
301 	int ret;
302 
303 	if (!node_name)
304 		return 0;
305 
306 	enp = of_find_node_by_name(dev->of_node, node_name);
307 	if (enp) {
308 		of_node_put(enp);
309 		return 0;
310 	}
311 
312 	np = of_changeset_create_node(ocs, dev->of_node, node_name);
313 	if (!np) {
314 		dev_err(dev, "Unable to create new node\n");
315 		return -ENODEV;
316 	}
317 
318 	ret = of_changeset_add_prop_string(ocs, np, "compatible", compat);
319 	if (ret)
320 		dev_err(dev, "unable to add %s\n", compat);
321 
322 	of_node_put(np);
323 
324 	return ret;
325 }
326 
venus_add_dynamic_nodes(struct venus_core * core)327 static int venus_add_dynamic_nodes(struct venus_core *core)
328 {
329 	struct device *dev = core->dev;
330 	int ret;
331 
332 	core->ocs = kmalloc_obj(*core->ocs);
333 	if (!core->ocs)
334 		return -ENOMEM;
335 
336 	of_changeset_init(core->ocs);
337 
338 	ret = venus_add_video_core(core, core->res->dec_nodename, "venus-decoder");
339 	if (ret)
340 		goto err;
341 
342 	ret = venus_add_video_core(core, core->res->enc_nodename, "venus-encoder");
343 	if (ret)
344 		goto err;
345 
346 	ret = of_changeset_apply(core->ocs);
347 	if (ret) {
348 		dev_err(dev, "applying changeset fail ret %d\n", ret);
349 		goto err;
350 	}
351 
352 	return 0;
353 err:
354 	of_changeset_destroy(core->ocs);
355 	kfree(core->ocs);
356 	core->ocs = NULL;
357 	return ret;
358 }
359 
venus_remove_dynamic_nodes(struct venus_core * core)360 static void venus_remove_dynamic_nodes(struct venus_core *core)
361 {
362 	if (core->ocs) {
363 		of_changeset_revert(core->ocs);
364 		of_changeset_destroy(core->ocs);
365 		kfree(core->ocs);
366 	}
367 }
368 #else
venus_add_dynamic_nodes(struct venus_core * core)369 static int venus_add_dynamic_nodes(struct venus_core *core)
370 {
371 	return 0;
372 }
373 
venus_remove_dynamic_nodes(struct venus_core * core)374 static void venus_remove_dynamic_nodes(struct venus_core *core) {}
375 #endif
376 
venus_probe(struct platform_device * pdev)377 static int venus_probe(struct platform_device *pdev)
378 {
379 	struct device *dev = &pdev->dev;
380 	struct venus_core *core;
381 	int ret;
382 
383 	core = devm_kzalloc(dev, sizeof(*core), GFP_KERNEL);
384 	if (!core)
385 		return -ENOMEM;
386 
387 	core->dev = dev;
388 
389 	core->base = devm_platform_ioremap_resource(pdev, 0);
390 	if (IS_ERR(core->base))
391 		return PTR_ERR(core->base);
392 
393 	core->video_path = devm_of_icc_get(dev, "video-mem");
394 	if (IS_ERR(core->video_path))
395 		return PTR_ERR(core->video_path);
396 
397 	core->cpucfg_path = devm_of_icc_get(dev, "cpu-cfg");
398 	if (IS_ERR(core->cpucfg_path))
399 		return PTR_ERR(core->cpucfg_path);
400 
401 	core->irq = platform_get_irq(pdev, 0);
402 	if (core->irq < 0)
403 		return core->irq;
404 
405 	core->res = of_device_get_match_data(dev);
406 	if (!core->res)
407 		return -ENODEV;
408 
409 	mutex_init(&core->pm_lock);
410 
411 	core->pm_ops = venus_pm_get(core->res->hfi_version);
412 	if (!core->pm_ops)
413 		return -ENODEV;
414 
415 	if (core->pm_ops->core_get) {
416 		ret = core->pm_ops->core_get(core);
417 		if (ret)
418 			return ret;
419 	}
420 
421 	ret = dma_set_mask_and_coherent(dev, core->res->dma_mask);
422 	if (ret)
423 		goto err_core_put;
424 
425 	dma_set_max_seg_size(dev, UINT_MAX);
426 
427 	INIT_LIST_HEAD(&core->instances);
428 	mutex_init(&core->lock);
429 	INIT_DELAYED_WORK(&core->work, venus_sys_error_handler);
430 	init_waitqueue_head(&core->sys_err_done);
431 
432 	ret = hfi_create(core, &venus_core_ops);
433 	if (ret)
434 		goto err_core_put;
435 
436 	ret = devm_request_threaded_irq(dev, core->irq, hfi_isr, venus_isr_thread,
437 					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
438 					"venus", core);
439 	if (ret)
440 		goto err_core_put;
441 
442 	venus_assign_register_offsets(core);
443 
444 	ret = v4l2_device_register(dev, &core->v4l2_dev);
445 	if (ret)
446 		goto err_hfi_destroy;
447 
448 	platform_set_drvdata(pdev, core);
449 
450 	pm_runtime_enable(dev);
451 
452 	ret = pm_runtime_get_sync(dev);
453 	if (ret < 0)
454 		goto err_runtime_disable;
455 
456 	ret = venus_firmware_init(core);
457 	if (ret)
458 		goto err_runtime_disable;
459 
460 	ret = venus_boot(core);
461 	if (ret)
462 		goto err_firmware_deinit;
463 
464 	ret = venus_firmware_cfg(core);
465 	if (ret)
466 		goto err_venus_shutdown;
467 
468 	ret = hfi_core_resume(core, true);
469 	if (ret)
470 		goto err_venus_shutdown;
471 
472 	ret = hfi_core_init(core);
473 	if (ret)
474 		goto err_venus_shutdown;
475 
476 	ret = venus_firmware_check(core);
477 	if (ret)
478 		goto err_core_deinit;
479 
480 	if (core->res->dec_nodename || core->res->enc_nodename) {
481 		ret = venus_add_dynamic_nodes(core);
482 		if (ret)
483 			goto err_core_deinit;
484 	}
485 
486 	ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
487 	if (ret)
488 		goto err_remove_dynamic_nodes;
489 
490 	ret = venus_enumerate_codecs(core, VIDC_SESSION_TYPE_DEC);
491 	if (ret)
492 		goto err_of_depopulate;
493 
494 	ret = venus_enumerate_codecs(core, VIDC_SESSION_TYPE_ENC);
495 	if (ret)
496 		goto err_of_depopulate;
497 
498 	ret = pm_runtime_put_sync(dev);
499 	if (ret) {
500 		pm_runtime_get_noresume(dev);
501 		goto err_of_depopulate;
502 	}
503 
504 	venus_dbgfs_init(core);
505 
506 	return 0;
507 
508 err_of_depopulate:
509 	of_platform_depopulate(dev);
510 err_remove_dynamic_nodes:
511 	venus_remove_dynamic_nodes(core);
512 err_core_deinit:
513 	hfi_core_deinit(core, false);
514 err_venus_shutdown:
515 	venus_shutdown(core);
516 err_firmware_deinit:
517 	venus_firmware_deinit(core);
518 err_runtime_disable:
519 	pm_runtime_put_noidle(dev);
520 	pm_runtime_disable(dev);
521 	pm_runtime_set_suspended(dev);
522 	v4l2_device_unregister(&core->v4l2_dev);
523 err_hfi_destroy:
524 	hfi_destroy(core);
525 err_core_put:
526 	if (core->pm_ops->core_put)
527 		core->pm_ops->core_put(core);
528 	return ret;
529 }
530 
venus_remove(struct platform_device * pdev)531 static void venus_remove(struct platform_device *pdev)
532 {
533 	struct venus_core *core = platform_get_drvdata(pdev);
534 	const struct venus_pm_ops *pm_ops = core->pm_ops;
535 	struct device *dev = core->dev;
536 	int ret;
537 
538 	cancel_delayed_work_sync(&core->work);
539 	ret = pm_runtime_get_sync(dev);
540 	WARN_ON(ret < 0);
541 
542 	ret = hfi_core_deinit(core, true);
543 	WARN_ON(ret);
544 
545 	venus_shutdown(core);
546 	of_platform_depopulate(dev);
547 
548 	venus_firmware_deinit(core);
549 
550 	venus_remove_dynamic_nodes(core);
551 
552 	pm_runtime_put_sync(dev);
553 	pm_runtime_disable(dev);
554 
555 	if (pm_ops->core_put)
556 		pm_ops->core_put(core);
557 
558 	v4l2_device_unregister(&core->v4l2_dev);
559 
560 	hfi_destroy(core);
561 
562 	mutex_destroy(&core->pm_lock);
563 	mutex_destroy(&core->lock);
564 	venus_dbgfs_deinit(core);
565 }
566 
venus_core_shutdown(struct platform_device * pdev)567 static void venus_core_shutdown(struct platform_device *pdev)
568 {
569 	struct venus_core *core = platform_get_drvdata(pdev);
570 
571 	pm_runtime_get_sync(core->dev);
572 	venus_shutdown(core);
573 	venus_firmware_deinit(core);
574 	pm_runtime_put_sync(core->dev);
575 }
576 
venus_runtime_suspend(struct device * dev)577 static __maybe_unused int venus_runtime_suspend(struct device *dev)
578 {
579 	struct venus_core *core = dev_get_drvdata(dev);
580 	const struct venus_pm_ops *pm_ops = core->pm_ops;
581 	int ret;
582 
583 	ret = hfi_core_suspend(core);
584 	if (ret)
585 		return ret;
586 
587 	if (pm_ops->core_power) {
588 		ret = pm_ops->core_power(core, POWER_OFF);
589 		if (ret)
590 			return ret;
591 	}
592 
593 	ret = icc_set_bw(core->cpucfg_path, 0, 0);
594 	if (ret)
595 		goto err_cpucfg_path;
596 
597 	ret = icc_set_bw(core->video_path, 0, 0);
598 	if (ret)
599 		goto err_video_path;
600 
601 	return ret;
602 
603 err_video_path:
604 	icc_set_bw(core->cpucfg_path, kbps_to_icc(1000), 0);
605 err_cpucfg_path:
606 	if (pm_ops->core_power)
607 		pm_ops->core_power(core, POWER_ON);
608 
609 	return ret;
610 }
611 
venus_close_common(struct venus_inst * inst,struct file * filp)612 void venus_close_common(struct venus_inst *inst, struct file *filp)
613 {
614 	/*
615 	 * Make sure we don't have IRQ/IRQ-thread currently running
616 	 * or pending execution, which would race with the inst destruction.
617 	 */
618 	synchronize_irq(inst->core->irq);
619 
620 	v4l2_m2m_ctx_release(inst->m2m_ctx);
621 	v4l2_m2m_release(inst->m2m_dev);
622 	hfi_session_destroy(inst);
623 	v4l2_fh_del(&inst->fh, filp);
624 	v4l2_fh_exit(&inst->fh);
625 	v4l2_ctrl_handler_free(&inst->ctrl_handler);
626 
627 	mutex_destroy(&inst->lock);
628 	mutex_destroy(&inst->ctx_q_lock);
629 }
630 EXPORT_SYMBOL_GPL(venus_close_common);
631 
venus_runtime_resume(struct device * dev)632 static __maybe_unused int venus_runtime_resume(struct device *dev)
633 {
634 	struct venus_core *core = dev_get_drvdata(dev);
635 	const struct venus_pm_ops *pm_ops = core->pm_ops;
636 	int ret;
637 
638 	ret = icc_set_bw(core->video_path, kbps_to_icc(20000), 0);
639 	if (ret)
640 		return ret;
641 
642 	ret = icc_set_bw(core->cpucfg_path, kbps_to_icc(1000), 0);
643 	if (ret)
644 		return ret;
645 
646 	if (pm_ops->core_power) {
647 		ret = pm_ops->core_power(core, POWER_ON);
648 		if (ret)
649 			return ret;
650 	}
651 
652 	return hfi_core_resume(core, false);
653 }
654 
655 static const struct dev_pm_ops venus_pm_ops = {
656 	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
657 				pm_runtime_force_resume)
658 	SET_RUNTIME_PM_OPS(venus_runtime_suspend, venus_runtime_resume, NULL)
659 };
660 
661 static const struct freq_tbl msm8916_freq_table[] = {
662 	{ 352800, 228570000 },	/* 1920x1088 @ 30 + 1280x720 @ 30 */
663 	{ 244800, 160000000 },	/* 1920x1088 @ 30 */
664 	{ 108000, 100000000 },	/* 1280x720 @ 30 */
665 };
666 
667 static const struct reg_val msm8916_reg_preset[] = {
668 	{ 0xe0020, 0x05555556 },
669 	{ 0xe0024, 0x05555556 },
670 	{ 0x80124, 0x00000003 },
671 };
672 
673 static const struct venus_resources msm8916_res = {
674 	.freq_tbl = msm8916_freq_table,
675 	.freq_tbl_size = ARRAY_SIZE(msm8916_freq_table),
676 	.reg_tbl = msm8916_reg_preset,
677 	.reg_tbl_size = ARRAY_SIZE(msm8916_reg_preset),
678 	.clks = { "core", "iface", "bus", },
679 	.clks_num = 3,
680 	.max_load = 352800, /* 720p@30 + 1080p@30 */
681 	.hfi_version = HFI_VERSION_1XX,
682 	.vmem_id = VIDC_RESOURCE_NONE,
683 	.vmem_size = 0,
684 	.vmem_addr = 0,
685 	.dma_mask = 0xddc00000 - 1,
686 	.fwname = "qcom/venus-1.8/venus.mbn",
687 	.dec_nodename = "video-decoder",
688 	.enc_nodename = "video-encoder",
689 };
690 
691 static const struct freq_tbl msm8996_freq_table[] = {
692 	{ 1944000, 520000000 },	/* 4k UHD @ 60 (decode only) */
693 	{  972000, 520000000 },	/* 4k UHD @ 30 */
694 	{  489600, 346666667 },	/* 1080p @ 60 */
695 	{  244800, 150000000 },	/* 1080p @ 30 */
696 	{  108000,  75000000 },	/* 720p @ 30 */
697 };
698 
699 static const struct reg_val msm8996_reg_preset[] = {
700 	{ 0x80010, 0xffffffff },
701 	{ 0x80018, 0x00001556 },
702 	{ 0x8001C, 0x00001556 },
703 };
704 
705 static const struct venus_resources msm8996_res = {
706 	.freq_tbl = msm8996_freq_table,
707 	.freq_tbl_size = ARRAY_SIZE(msm8996_freq_table),
708 	.reg_tbl = msm8996_reg_preset,
709 	.reg_tbl_size = ARRAY_SIZE(msm8996_reg_preset),
710 	.clks = {"core", "iface", "bus", "mbus" },
711 	.clks_num = 4,
712 	.vcodec0_clks = { "core" },
713 	.vcodec1_clks = { "core" },
714 	.vcodec_clks_num = 1,
715 	.max_load = 2563200,
716 	.hfi_version = HFI_VERSION_3XX,
717 	.vmem_id = VIDC_RESOURCE_NONE,
718 	.vmem_size = 0,
719 	.vmem_addr = 0,
720 	.dma_mask = 0xddc00000 - 1,
721 	.fwname = "qcom/venus-4.2/venus.mbn",
722 };
723 
724 static const struct freq_tbl msm8998_freq_table[] = {
725 	{ 1728000, 533000000 },	/* 4k UHD @ 60 (decode only) */
726 	{ 1036800, 444000000 },	/* 2k @ 120 */
727 	{  829440, 355200000 },	/* 4k @ 44 */
728 	{  489600, 269330000 },/* 4k @ 30 */
729 	{  108000, 200000000 },	/* 1080p @ 60 */
730 };
731 
732 static const struct reg_val msm8998_reg_preset[] = {
733 	{ 0x80124, 0x00000003 },
734 	{ 0x80550, 0x01111111 },
735 	{ 0x80560, 0x01111111 },
736 	{ 0x80568, 0x01111111 },
737 	{ 0x80570, 0x01111111 },
738 	{ 0x80580, 0x01111111 },
739 	{ 0x80588, 0x01111111 },
740 	{ 0xe2010, 0x00000000 },
741 };
742 
743 static const struct venus_resources msm8998_res = {
744 	.freq_tbl = msm8998_freq_table,
745 	.freq_tbl_size = ARRAY_SIZE(msm8998_freq_table),
746 	.reg_tbl = msm8998_reg_preset,
747 	.reg_tbl_size = ARRAY_SIZE(msm8998_reg_preset),
748 	.clks = { "core", "iface", "bus", "mbus" },
749 	.clks_num = 4,
750 	.vcodec0_clks = { "core" },
751 	.vcodec1_clks = { "core" },
752 	.vcodec_clks_num = 1,
753 	.max_load = 2563200,
754 	.hfi_version = HFI_VERSION_3XX,
755 	.vmem_id = VIDC_RESOURCE_NONE,
756 	.vmem_size = 0,
757 	.vmem_addr = 0,
758 	.dma_mask = 0xddc00000 - 1,
759 	.fwname = "qcom/venus-4.4/venus.mbn",
760 };
761 
762 static const struct freq_tbl sdm660_freq_table[] = {
763 	{ 979200, 518400000 },
764 	{ 489600, 441600000 },
765 	{ 432000, 404000000 },
766 	{ 244800, 320000000 },
767 	{ 216000, 269330000 },
768 	{ 108000, 133330000 },
769 };
770 
771 static const struct reg_val sdm660_reg_preset[] = {
772 	{ 0x80010, 0x001f001f },
773 	{ 0x80018, 0x00000156 },
774 	{ 0x8001c, 0x00000156 },
775 };
776 
777 static const struct bw_tbl sdm660_bw_table_enc[] = {
778 	{  979200,  1044000, 0, 2446336, 0 },	/* 4k UHD @ 30 */
779 	{  864000,   887000, 0, 2108416, 0 },	/* 720p @ 240 */
780 	{  489600,   666000, 0, 1207296, 0 },	/* 1080p @ 60 */
781 	{  432000,   578000, 0, 1058816, 0 },	/* 720p @ 120 */
782 	{  244800,   346000, 0,  616448, 0 },	/* 1080p @ 30 */
783 	{  216000,   293000, 0,  534528, 0 },	/* 720p @ 60 */
784 	{  108000,   151000, 0,  271360, 0 },	/* 720p @ 30 */
785 };
786 
787 static const struct bw_tbl sdm660_bw_table_dec[] = {
788 	{  979200,  2365000, 0, 1892000, 0 },	/* 4k UHD @ 30 */
789 	{  864000,  1978000, 0, 1554000, 0 },	/* 720p @ 240 */
790 	{  489600,  1133000, 0,  895000, 0 },	/* 1080p @ 60 */
791 	{  432000,   994000, 0,  781000, 0 },	/* 720p @ 120 */
792 	{  244800,   580000, 0,  460000, 0 },	/* 1080p @ 30 */
793 	{  216000,   501000, 0,  301000, 0 },	/* 720p @ 60 */
794 	{  108000,   255000, 0,  202000, 0 },	/* 720p @ 30 */
795 };
796 
797 static const struct venus_resources sdm660_res = {
798 	.freq_tbl = sdm660_freq_table,
799 	.freq_tbl_size = ARRAY_SIZE(sdm660_freq_table),
800 	.reg_tbl = sdm660_reg_preset,
801 	.reg_tbl_size = ARRAY_SIZE(sdm660_reg_preset),
802 	.bw_tbl_enc = sdm660_bw_table_enc,
803 	.bw_tbl_enc_size = ARRAY_SIZE(sdm660_bw_table_enc),
804 	.bw_tbl_dec = sdm660_bw_table_dec,
805 	.bw_tbl_dec_size = ARRAY_SIZE(sdm660_bw_table_dec),
806 	.clks = {"core", "iface", "bus", "bus_throttle" },
807 	.clks_num = 4,
808 	.vcodec0_clks = { "vcodec0_core" },
809 	.vcodec1_clks = { "vcodec0_core" },
810 	.vcodec_clks_num = 1,
811 	.vcodec_num = 1,
812 	.max_load = 1036800,
813 	.hfi_version = HFI_VERSION_3XX,
814 	.vmem_id = VIDC_RESOURCE_NONE,
815 	.vmem_size = 0,
816 	.vmem_addr = 0,
817 	.cp_start = 0,
818 	.cp_size = 0x79000000,
819 	.cp_nonpixel_start = 0x1000000,
820 	.cp_nonpixel_size = 0x28000000,
821 	.dma_mask = 0xd9000000 - 1,
822 	.fwname = "qcom/venus-4.4/venus.mdt",
823 };
824 
825 static const struct freq_tbl sdm845_freq_table[] = {
826 	{ 3110400, 533000000 },	/* 4096x2160@90 */
827 	{ 2073600, 444000000 },	/* 4096x2160@60 */
828 	{ 1944000, 404000000 },	/* 3840x2160@60 */
829 	{  972000, 330000000 },	/* 3840x2160@30 */
830 	{  489600, 200000000 },	/* 1920x1080@60 */
831 	{  244800, 100000000 },	/* 1920x1080@30 */
832 };
833 
834 static const struct bw_tbl sdm845_bw_table_enc[] = {
835 	{ 1944000, 1612000, 0, 2416000, 0 },	/* 3840x2160@60 */
836 	{  972000,  951000, 0, 1434000, 0 },	/* 3840x2160@30 */
837 	{  489600,  723000, 0,  973000, 0 },	/* 1920x1080@60 */
838 	{  244800,  370000, 0,	495000, 0 },	/* 1920x1080@30 */
839 };
840 
841 static const struct bw_tbl sdm845_bw_table_dec[] = {
842 	{ 2073600, 3929000, 0, 5551000, 0 },	/* 4096x2160@60 */
843 	{ 1036800, 1987000, 0, 2797000, 0 },	/* 4096x2160@30 */
844 	{  489600, 1040000, 0, 1298000, 0 },	/* 1920x1080@60 */
845 	{  244800,  530000, 0,  659000, 0 },	/* 1920x1080@30 */
846 };
847 
848 static const struct venus_resources sdm845_res = {
849 	.freq_tbl = sdm845_freq_table,
850 	.freq_tbl_size = ARRAY_SIZE(sdm845_freq_table),
851 	.bw_tbl_enc = sdm845_bw_table_enc,
852 	.bw_tbl_enc_size = ARRAY_SIZE(sdm845_bw_table_enc),
853 	.bw_tbl_dec = sdm845_bw_table_dec,
854 	.bw_tbl_dec_size = ARRAY_SIZE(sdm845_bw_table_dec),
855 	.clks = {"core", "iface", "bus" },
856 	.clks_num = 3,
857 	.vcodec0_clks = { "core", "bus" },
858 	.vcodec1_clks = { "core", "bus" },
859 	.vcodec_clks_num = 2,
860 	.max_load = 3110400,	/* 4096x2160@90 */
861 	.hfi_version = HFI_VERSION_4XX,
862 	.vpu_version = VPU_VERSION_AR50,
863 	.vmem_id = VIDC_RESOURCE_NONE,
864 	.vmem_size = 0,
865 	.vmem_addr = 0,
866 	.dma_mask = 0xe0000000 - 1,
867 	.fwname = "qcom/venus-5.2/venus.mbn",
868 };
869 
870 static const struct venus_resources sdm845_res_v2 = {
871 	.freq_tbl = sdm845_freq_table,
872 	.freq_tbl_size = ARRAY_SIZE(sdm845_freq_table),
873 	.bw_tbl_enc = sdm845_bw_table_enc,
874 	.bw_tbl_enc_size = ARRAY_SIZE(sdm845_bw_table_enc),
875 	.bw_tbl_dec = sdm845_bw_table_dec,
876 	.bw_tbl_dec_size = ARRAY_SIZE(sdm845_bw_table_dec),
877 	.clks = {"core", "iface", "bus" },
878 	.clks_num = 3,
879 	.vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
880 	.vcodec1_clks = { "vcodec1_core", "vcodec1_bus" },
881 	.vcodec_clks_num = 2,
882 	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0", "vcodec1" },
883 	.vcodec_pmdomains_num = 3,
884 	.opp_pmdomain = (const char *[]) { "cx" },
885 	.vcodec_num = 2,
886 	.max_load = 3110400,	/* 4096x2160@90 */
887 	.hfi_version = HFI_VERSION_4XX,
888 	.vpu_version = VPU_VERSION_AR50,
889 	.vmem_id = VIDC_RESOURCE_NONE,
890 	.vmem_size = 0,
891 	.vmem_addr = 0,
892 	.dma_mask = 0xe0000000 - 1,
893 	.cp_start = 0,
894 	.cp_size = 0x70800000,
895 	.cp_nonpixel_start = 0x1000000,
896 	.cp_nonpixel_size = 0x24800000,
897 	.fwname = "qcom/venus-5.2/venus.mbn",
898 	.dec_nodename = "video-core0",
899 	.enc_nodename = "video-core1",
900 };
901 
902 static const struct freq_tbl sc7180_freq_table[] = {
903 	{  0, 500000000 },
904 	{  0, 434000000 },
905 	{  0, 340000000 },
906 	{  0, 270000000 },
907 	{  0, 150000000 },
908 };
909 
910 static const struct bw_tbl sc7180_bw_table_enc[] = {
911 	{  972000,  750000, 0, 0, 0 },	/* 3840x2160@30 */
912 	{  489600,  451000, 0, 0, 0 },	/* 1920x1080@60 */
913 	{  244800,  234000, 0, 0, 0 },	/* 1920x1080@30 */
914 };
915 
916 static const struct bw_tbl sc7180_bw_table_dec[] = {
917 	{ 1036800, 1386000, 0, 1875000, 0 },	/* 4096x2160@30 */
918 	{  489600,  865000, 0, 1146000, 0 },	/* 1920x1080@60 */
919 	{  244800,  530000, 0,  583000, 0 },	/* 1920x1080@30 */
920 };
921 
922 static const struct venus_resources sc7180_res = {
923 	.freq_tbl = sc7180_freq_table,
924 	.freq_tbl_size = ARRAY_SIZE(sc7180_freq_table),
925 	.bw_tbl_enc = sc7180_bw_table_enc,
926 	.bw_tbl_enc_size = ARRAY_SIZE(sc7180_bw_table_enc),
927 	.bw_tbl_dec = sc7180_bw_table_dec,
928 	.bw_tbl_dec_size = ARRAY_SIZE(sc7180_bw_table_dec),
929 	.clks = {"core", "iface", "bus" },
930 	.clks_num = 3,
931 	.vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
932 	.vcodec_clks_num = 2,
933 	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
934 	.vcodec_pmdomains_num = 2,
935 	.opp_pmdomain = (const char *[]) { "cx" },
936 	.vcodec_num = 1,
937 	.hfi_version = HFI_VERSION_4XX,
938 	.vpu_version = VPU_VERSION_AR50,
939 	.vmem_id = VIDC_RESOURCE_NONE,
940 	.vmem_size = 0,
941 	.vmem_addr = 0,
942 	.dma_mask = 0xe0000000 - 1,
943 	.cp_start = 0,
944 	.cp_size = 0x70800000,
945 	.cp_nonpixel_start = 0x1000000,
946 	.cp_nonpixel_size = 0x24800000,
947 	.fwname = "qcom/venus-5.4/venus.mbn",
948 	.dec_nodename = "video-decoder",
949 	.enc_nodename = "video-encoder",
950 };
951 
952 static const struct freq_tbl sm8250_freq_table[] = {
953 	{ 0, 444000000 },
954 	{ 0, 366000000 },
955 	{ 0, 338000000 },
956 	{ 0, 240000000 },
957 };
958 
959 static const struct bw_tbl sm8250_bw_table_enc[] = {
960 	{ 1944000, 1954000, 0, 3711000, 0 },	/* 3840x2160@60 */
961 	{  972000,  996000, 0, 1905000, 0 },	/* 3840x2160@30 */
962 	{  489600,  645000, 0,  977000, 0 },	/* 1920x1080@60 */
963 	{  244800,  332000, 0,	498000, 0 },	/* 1920x1080@30 */
964 };
965 
966 static const struct bw_tbl sm8250_bw_table_dec[] = {
967 	{ 2073600, 2403000, 0, 4113000, 0 },	/* 4096x2160@60 */
968 	{ 1036800, 1224000, 0, 2079000, 0 },	/* 4096x2160@30 */
969 	{  489600,  812000, 0,  998000, 0 },	/* 1920x1080@60 */
970 	{  244800,  416000, 0,  509000, 0 },	/* 1920x1080@30 */
971 };
972 
973 static const struct reg_val sm8250_reg_preset[] = {
974 	{ 0xb0088, 0 },
975 };
976 
977 static const struct venus_resources sm8250_res = {
978 	.freq_tbl = sm8250_freq_table,
979 	.freq_tbl_size = ARRAY_SIZE(sm8250_freq_table),
980 	.reg_tbl = sm8250_reg_preset,
981 	.reg_tbl_size = ARRAY_SIZE(sm8250_reg_preset),
982 	.bw_tbl_enc = sm8250_bw_table_enc,
983 	.bw_tbl_enc_size = ARRAY_SIZE(sm8250_bw_table_enc),
984 	.bw_tbl_dec = sm8250_bw_table_dec,
985 	.bw_tbl_dec_size = ARRAY_SIZE(sm8250_bw_table_dec),
986 	.clks = {"core", "iface"},
987 	.clks_num = 2,
988 	.resets = { "bus", "core" },
989 	.resets_num = 2,
990 	.vcodec0_clks = { "vcodec0_core" },
991 	.vcodec_clks_num = 1,
992 	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
993 	.vcodec_pmdomains_num = 2,
994 	.opp_pmdomain = (const char *[]) { "mx" },
995 	.vcodec_num = 1,
996 	.max_load = 7833600,
997 	.hfi_version = HFI_VERSION_6XX,
998 	.vpu_version = VPU_VERSION_IRIS2,
999 	.num_vpp_pipes = 4,
1000 	.vmem_id = VIDC_RESOURCE_NONE,
1001 	.vmem_size = 0,
1002 	.vmem_addr = 0,
1003 	.dma_mask = 0xe0000000 - 1,
1004 	.fwname = "qcom/vpu-1.0/venus.mbn",
1005 	.dec_nodename = "video-decoder",
1006 	.enc_nodename = "video-encoder",
1007 };
1008 
1009 static const struct freq_tbl sc7280_freq_table[] = {
1010 	{ 0, 460000000 },
1011 	{ 0, 424000000 },
1012 	{ 0, 335000000 },
1013 	{ 0, 240000000 },
1014 	{ 0, 133333333 },
1015 };
1016 
1017 static const struct bw_tbl sc7280_bw_table_enc[] = {
1018 	{ 1944000, 1896000, 0, 3657000, 0 },	/* 3840x2160@60 */
1019 	{  972000,  968000, 0, 1848000, 0 },	/* 3840x2160@30 */
1020 	{  489600,  618000, 0,  941000, 0 },	/* 1920x1080@60 */
1021 	{  244800,  318000, 0,	480000, 0 },	/* 1920x1080@30 */
1022 };
1023 
1024 static const struct bw_tbl sc7280_bw_table_dec[] = {
1025 	{ 2073600, 2128000, 0, 3831000, 0 },	/* 4096x2160@60 */
1026 	{ 1036800, 1085000, 0, 1937000, 0 },	/* 4096x2160@30 */
1027 	{  489600,  779000, 0,  998000, 0 },	/* 1920x1080@60 */
1028 	{  244800,  400000, 0,  509000, 0 },	/* 1920x1080@30 */
1029 };
1030 
1031 static const struct reg_val sm7280_reg_preset[] = {
1032 	{ 0xb0088, 0 },
1033 };
1034 
1035 static const struct hfi_ubwc_config sc7280_ubwc_config = {
1036 	0, 0, {1, 1, 1, 0, 0, 0}, 8, 32, 14, 0, 0, {0, 0}
1037 };
1038 
1039 static const struct venus_resources sc7280_res = {
1040 	.freq_tbl = sc7280_freq_table,
1041 	.freq_tbl_size = ARRAY_SIZE(sc7280_freq_table),
1042 	.reg_tbl = sm7280_reg_preset,
1043 	.reg_tbl_size = ARRAY_SIZE(sm7280_reg_preset),
1044 	.bw_tbl_enc = sc7280_bw_table_enc,
1045 	.bw_tbl_enc_size = ARRAY_SIZE(sc7280_bw_table_enc),
1046 	.bw_tbl_dec = sc7280_bw_table_dec,
1047 	.bw_tbl_dec_size = ARRAY_SIZE(sc7280_bw_table_dec),
1048 	.ubwc_conf = &sc7280_ubwc_config,
1049 	.clks = {"core", "bus", "iface"},
1050 	.clks_num = 3,
1051 	.vcodec0_clks = {"vcodec_core", "vcodec_bus"},
1052 	.vcodec_clks_num = 2,
1053 	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
1054 	.vcodec_pmdomains_num = 2,
1055 	.opp_pmdomain = (const char *[]) { "cx" },
1056 	.vcodec_num = 1,
1057 	.hfi_version = HFI_VERSION_6XX,
1058 	.vpu_version = VPU_VERSION_IRIS2_1,
1059 	.num_vpp_pipes = 1,
1060 	.vmem_id = VIDC_RESOURCE_NONE,
1061 	.vmem_size = 0,
1062 	.vmem_addr = 0,
1063 	.dma_mask = 0xe0000000 - 1,
1064 	.cp_start = 0,
1065 	.cp_size = 0x25800000,
1066 	.cp_nonpixel_start = 0x1000000,
1067 	.cp_nonpixel_size = 0x24800000,
1068 	.fwname = "qcom/vpu-2.0/venus.mbn",
1069 	.dec_nodename = "video-decoder",
1070 	.enc_nodename = "video-encoder",
1071 };
1072 
1073 static const struct bw_tbl qcm2290_bw_table_dec[] = {
1074 	{ 352800, 597000, 0, 746000, 0 }, /* 1080p@30 + 720p@30 */
1075 	{ 244800, 413000, 0, 516000, 0 }, /* 1080p@30 */
1076 	{ 216000, 364000, 0, 454000, 0 }, /* 720p@60  */
1077 	{ 108000, 182000, 0, 227000, 0 }, /* 720p@30  */
1078 };
1079 
1080 static const struct bw_tbl qcm2290_bw_table_enc[] = {
1081 	{ 352800, 396000, 0, 0, 0 }, /* 1080p@30 + 720p@30 */
1082 	{ 244800, 275000, 0, 0, 0 }, /* 1080p@30 */
1083 	{ 216000, 242000, 0, 0, 0 }, /* 720p@60  */
1084 	{ 108000, 121000, 0, 0, 0 }, /* 720p@30  */
1085 };
1086 
1087 static const struct firmware_version min_fw = {
1088 	.major = 6, .minor = 0, .rev = 55,
1089 };
1090 
1091 static const struct venus_resources qcm2290_res = {
1092 	.bw_tbl_dec = qcm2290_bw_table_dec,
1093 	.bw_tbl_dec_size = ARRAY_SIZE(qcm2290_bw_table_dec),
1094 	.bw_tbl_enc = qcm2290_bw_table_enc,
1095 	.bw_tbl_enc_size = ARRAY_SIZE(qcm2290_bw_table_enc),
1096 	.clks = { "core", "iface", "bus", "throttle" },
1097 	.clks_num = 4,
1098 	.vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
1099 	.vcodec_clks_num = 2,
1100 	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
1101 	.vcodec_pmdomains_num = 2,
1102 	.opp_pmdomain = (const char *[]) { "cx" },
1103 	.vcodec_num = 1,
1104 	.hfi_version = HFI_VERSION_4XX,
1105 	.vpu_version = VPU_VERSION_AR50_LITE,
1106 	.max_load = 352800,
1107 	.num_vpp_pipes = 1,
1108 	.vmem_id = VIDC_RESOURCE_NONE,
1109 	.vmem_size = 0,
1110 	.vmem_addr = 0,
1111 	.cp_start = 0,
1112 	.cp_size = 0x70800000,
1113 	.cp_nonpixel_start = 0x1000000,
1114 	.cp_nonpixel_size = 0x24800000,
1115 	.dma_mask = 0xe0000000 - 1,
1116 	.fwname = "qcom/venus-6.0/venus.mbn",
1117 	.dec_nodename = "video-decoder",
1118 	.enc_nodename = "video-encoder",
1119 	.min_fw = &min_fw,
1120 };
1121 
1122 static const struct of_device_id venus_dt_match[] = {
1123 	{ .compatible = "qcom,msm8916-venus", .data = &msm8916_res, },
1124 	{ .compatible = "qcom,msm8996-venus", .data = &msm8996_res, },
1125 	{ .compatible = "qcom,msm8998-venus", .data = &msm8998_res, },
1126 	{ .compatible = "qcom,qcm2290-venus", .data = &qcm2290_res, },
1127 	{ .compatible = "qcom,sc7180-venus", .data = &sc7180_res, },
1128 	{ .compatible = "qcom,sc7280-venus", .data = &sc7280_res, },
1129 	{ .compatible = "qcom,sdm660-venus", .data = &sdm660_res, },
1130 	{ .compatible = "qcom,sdm845-venus", .data = &sdm845_res, },
1131 	{ .compatible = "qcom,sdm845-venus-v2", .data = &sdm845_res_v2, },
1132 	{ .compatible = "qcom,sm8250-venus", .data = &sm8250_res, },
1133 	{ }
1134 };
1135 MODULE_DEVICE_TABLE(of, venus_dt_match);
1136 
1137 static struct platform_driver qcom_venus_driver = {
1138 	.probe = venus_probe,
1139 	.remove = venus_remove,
1140 	.driver = {
1141 		.name = "qcom-venus",
1142 		.of_match_table = venus_dt_match,
1143 		.pm = &venus_pm_ops,
1144 	},
1145 	.shutdown = venus_core_shutdown,
1146 };
1147 module_platform_driver(qcom_venus_driver);
1148 
1149 MODULE_DESCRIPTION("Qualcomm Venus video encoder and decoder driver");
1150 MODULE_LICENSE("GPL v2");
1151