// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
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* Copyright (C) 2017 Linaro Ltd.
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*/
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#include <linux/init.h>
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#include <linux/interconnect.h>
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#include <linux/ioctl.h>
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#include <linux/delay.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include <linux/pm_runtime.h>
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#include <media/videobuf2-v4l2.h>
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#include <media/v4l2-mem2mem.h>
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#include <media/v4l2-ioctl.h>
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#include "core.h"
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#include "firmware.h"
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#include "pm_helpers.h"
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static void venus_event_notify(struct venus_core *core, u32 event)
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{
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struct venus_inst *inst;
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switch (event) {
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case EVT_SYS_WATCHDOG_TIMEOUT:
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case EVT_SYS_ERROR:
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break;
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default:
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return;
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}
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mutex_lock(&core->lock);
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core->sys_error = true;
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list_for_each_entry(inst, &core->instances, list)
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inst->ops->event_notify(inst, EVT_SESSION_ERROR, NULL);
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mutex_unlock(&core->lock);
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disable_irq_nosync(core->irq);
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schedule_delayed_work(&core->work, msecs_to_jiffies(10));
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}
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static const struct hfi_core_ops venus_core_ops = {
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.event_notify = venus_event_notify,
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};
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#define RPM_WAIT_FOR_IDLE_MAX_ATTEMPTS 10
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static void venus_sys_error_handler(struct work_struct *work)
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{
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struct venus_core *core =
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container_of(work, struct venus_core, work.work);
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int ret, i, max_attempts = RPM_WAIT_FOR_IDLE_MAX_ATTEMPTS;
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const char *err_msg = "";
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bool failed = false;
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ret = pm_runtime_get_sync(core->dev);
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if (ret < 0) {
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err_msg = "resume runtime PM";
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max_attempts = 0;
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failed = true;
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}
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hfi_core_deinit(core, true);
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mutex_lock(&core->lock);
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for (i = 0; i < max_attempts; i++) {
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if (!pm_runtime_active(core->dev_dec) && !pm_runtime_active(core->dev_enc))
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break;
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msleep(10);
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}
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venus_shutdown(core);
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pm_runtime_put_sync(core->dev);
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for (i = 0; i < max_attempts; i++) {
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if (!core->pmdomains[0] || !pm_runtime_active(core->pmdomains[0]))
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break;
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usleep_range(1000, 1500);
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}
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hfi_reinit(core);
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ret = pm_runtime_get_sync(core->dev);
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if (ret < 0) {
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err_msg = "resume runtime PM";
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failed = true;
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}
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ret = venus_boot(core);
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if (ret && !failed) {
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err_msg = "boot Venus";
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failed = true;
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}
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ret = hfi_core_resume(core, true);
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if (ret && !failed) {
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err_msg = "resume HFI";
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failed = true;
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}
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enable_irq(core->irq);
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mutex_unlock(&core->lock);
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ret = hfi_core_init(core);
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if (ret && !failed) {
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err_msg = "init HFI";
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failed = true;
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}
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pm_runtime_put_sync(core->dev);
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if (failed) {
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disable_irq_nosync(core->irq);
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dev_warn_ratelimited(core->dev,
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"System error has occurred, recovery failed to %s\n",
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err_msg);
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schedule_delayed_work(&core->work, msecs_to_jiffies(10));
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return;
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}
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dev_warn(core->dev, "system error has occurred (recovered)\n");
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mutex_lock(&core->lock);
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core->sys_error = false;
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mutex_unlock(&core->lock);
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}
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static u32 to_v4l2_codec_type(u32 codec)
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{
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switch (codec) {
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case HFI_VIDEO_CODEC_H264:
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return V4L2_PIX_FMT_H264;
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case HFI_VIDEO_CODEC_H263:
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return V4L2_PIX_FMT_H263;
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case HFI_VIDEO_CODEC_MPEG1:
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return V4L2_PIX_FMT_MPEG1;
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case HFI_VIDEO_CODEC_MPEG2:
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return V4L2_PIX_FMT_MPEG2;
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case HFI_VIDEO_CODEC_MPEG4:
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return V4L2_PIX_FMT_MPEG4;
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case HFI_VIDEO_CODEC_VC1:
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return V4L2_PIX_FMT_VC1_ANNEX_G;
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case HFI_VIDEO_CODEC_VP8:
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return V4L2_PIX_FMT_VP8;
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case HFI_VIDEO_CODEC_VP9:
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return V4L2_PIX_FMT_VP9;
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case HFI_VIDEO_CODEC_DIVX:
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case HFI_VIDEO_CODEC_DIVX_311:
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return V4L2_PIX_FMT_XVID;
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default:
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return 0;
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}
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}
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static int venus_enumerate_codecs(struct venus_core *core, u32 type)
|
{
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const struct hfi_inst_ops dummy_ops = {};
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struct venus_inst *inst;
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u32 codec, codecs;
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unsigned int i;
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int ret;
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|
if (core->res->hfi_version != HFI_VERSION_1XX)
|
return 0;
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|
inst = kzalloc(sizeof(*inst), GFP_KERNEL);
|
if (!inst)
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return -ENOMEM;
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|
mutex_init(&inst->lock);
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inst->core = core;
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inst->session_type = type;
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if (type == VIDC_SESSION_TYPE_DEC)
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codecs = core->dec_codecs;
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else
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codecs = core->enc_codecs;
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ret = hfi_session_create(inst, &dummy_ops);
|
if (ret)
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goto err;
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for (i = 0; i < MAX_CODEC_NUM; i++) {
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codec = (1UL << i) & codecs;
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if (!codec)
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continue;
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|
ret = hfi_session_init(inst, to_v4l2_codec_type(codec));
|
if (ret)
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goto done;
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ret = hfi_session_deinit(inst);
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if (ret)
|
goto done;
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}
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|
done:
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hfi_session_destroy(inst);
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err:
|
mutex_destroy(&inst->lock);
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kfree(inst);
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|
return ret;
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}
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static int venus_probe(struct platform_device *pdev)
|
{
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struct device *dev = &pdev->dev;
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struct venus_core *core;
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struct resource *r;
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int ret;
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core = devm_kzalloc(dev, sizeof(*core), GFP_KERNEL);
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if (!core)
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return -ENOMEM;
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core->dev = dev;
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r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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core->base = devm_ioremap_resource(dev, r);
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if (IS_ERR(core->base))
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return PTR_ERR(core->base);
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core->video_path = devm_of_icc_get(dev, "video-mem");
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if (IS_ERR(core->video_path))
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return PTR_ERR(core->video_path);
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core->cpucfg_path = devm_of_icc_get(dev, "cpu-cfg");
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if (IS_ERR(core->cpucfg_path))
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return PTR_ERR(core->cpucfg_path);
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core->irq = platform_get_irq(pdev, 0);
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if (core->irq < 0)
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return core->irq;
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core->res = of_device_get_match_data(dev);
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if (!core->res)
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return -ENODEV;
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mutex_init(&core->pm_lock);
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core->pm_ops = venus_pm_get(core->res->hfi_version);
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if (!core->pm_ops)
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return -ENODEV;
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if (core->pm_ops->core_get) {
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ret = core->pm_ops->core_get(core);
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if (ret)
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return ret;
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}
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ret = dma_set_mask_and_coherent(dev, core->res->dma_mask);
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if (ret)
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goto err_core_put;
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dma_set_max_seg_size(dev, UINT_MAX);
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INIT_LIST_HEAD(&core->instances);
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mutex_init(&core->lock);
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INIT_DELAYED_WORK(&core->work, venus_sys_error_handler);
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ret = devm_request_threaded_irq(dev, core->irq, hfi_isr, hfi_isr_thread,
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IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
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"venus", core);
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if (ret)
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goto err_core_put;
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ret = hfi_create(core, &venus_core_ops);
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if (ret)
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goto err_core_put;
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ret = v4l2_device_register(dev, &core->v4l2_dev);
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if (ret)
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goto err_core_deinit;
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platform_set_drvdata(pdev, core);
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pm_runtime_enable(dev);
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ret = pm_runtime_get_sync(dev);
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if (ret < 0)
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goto err_runtime_disable;
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ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
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if (ret)
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goto err_runtime_disable;
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ret = venus_firmware_init(core);
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if (ret)
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goto err_of_depopulate;
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ret = venus_boot(core);
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if (ret)
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goto err_firmware_deinit;
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ret = hfi_core_resume(core, true);
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if (ret)
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goto err_venus_shutdown;
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ret = hfi_core_init(core);
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if (ret)
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goto err_venus_shutdown;
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ret = venus_enumerate_codecs(core, VIDC_SESSION_TYPE_DEC);
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if (ret)
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goto err_venus_shutdown;
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ret = venus_enumerate_codecs(core, VIDC_SESSION_TYPE_ENC);
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if (ret)
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goto err_venus_shutdown;
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ret = pm_runtime_put_sync(dev);
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if (ret) {
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pm_runtime_get_noresume(dev);
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goto err_dev_unregister;
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}
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venus_dbgfs_init(core);
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return 0;
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err_dev_unregister:
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v4l2_device_unregister(&core->v4l2_dev);
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err_venus_shutdown:
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venus_shutdown(core);
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err_firmware_deinit:
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venus_firmware_deinit(core);
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err_of_depopulate:
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of_platform_depopulate(dev);
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err_runtime_disable:
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pm_runtime_put_noidle(dev);
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pm_runtime_set_suspended(dev);
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pm_runtime_disable(dev);
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hfi_destroy(core);
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err_core_deinit:
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hfi_core_deinit(core, false);
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err_core_put:
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if (core->pm_ops->core_put)
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core->pm_ops->core_put(core);
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return ret;
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}
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static int venus_remove(struct platform_device *pdev)
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{
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struct venus_core *core = platform_get_drvdata(pdev);
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const struct venus_pm_ops *pm_ops = core->pm_ops;
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struct device *dev = core->dev;
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int ret;
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ret = pm_runtime_get_sync(dev);
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WARN_ON(ret < 0);
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ret = hfi_core_deinit(core, true);
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WARN_ON(ret);
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venus_shutdown(core);
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of_platform_depopulate(dev);
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venus_firmware_deinit(core);
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pm_runtime_put_sync(dev);
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pm_runtime_disable(dev);
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if (pm_ops->core_put)
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pm_ops->core_put(core);
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v4l2_device_unregister(&core->v4l2_dev);
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hfi_destroy(core);
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mutex_destroy(&core->pm_lock);
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mutex_destroy(&core->lock);
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venus_dbgfs_deinit(core);
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return ret;
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}
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static __maybe_unused int venus_runtime_suspend(struct device *dev)
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{
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struct venus_core *core = dev_get_drvdata(dev);
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const struct venus_pm_ops *pm_ops = core->pm_ops;
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int ret;
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ret = hfi_core_suspend(core);
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if (ret)
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return ret;
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if (pm_ops->core_power) {
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ret = pm_ops->core_power(core, POWER_OFF);
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if (ret)
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return ret;
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}
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ret = icc_set_bw(core->cpucfg_path, 0, 0);
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if (ret)
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goto err_cpucfg_path;
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ret = icc_set_bw(core->video_path, 0, 0);
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if (ret)
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goto err_video_path;
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return ret;
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err_video_path:
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icc_set_bw(core->cpucfg_path, kbps_to_icc(1000), 0);
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err_cpucfg_path:
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if (pm_ops->core_power)
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pm_ops->core_power(core, POWER_ON);
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return ret;
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}
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static __maybe_unused int venus_runtime_resume(struct device *dev)
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{
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struct venus_core *core = dev_get_drvdata(dev);
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const struct venus_pm_ops *pm_ops = core->pm_ops;
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int ret;
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ret = icc_set_bw(core->video_path, kbps_to_icc(20000), 0);
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if (ret)
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return ret;
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ret = icc_set_bw(core->cpucfg_path, kbps_to_icc(1000), 0);
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if (ret)
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return ret;
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if (pm_ops->core_power) {
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ret = pm_ops->core_power(core, POWER_ON);
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if (ret)
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return ret;
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}
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return hfi_core_resume(core, false);
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}
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static const struct dev_pm_ops venus_pm_ops = {
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SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
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pm_runtime_force_resume)
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SET_RUNTIME_PM_OPS(venus_runtime_suspend, venus_runtime_resume, NULL)
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};
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static const struct freq_tbl msm8916_freq_table[] = {
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{ 352800, 228570000 }, /* 1920x1088 @ 30 + 1280x720 @ 30 */
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{ 244800, 160000000 }, /* 1920x1088 @ 30 */
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{ 108000, 100000000 }, /* 1280x720 @ 30 */
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};
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static const struct reg_val msm8916_reg_preset[] = {
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{ 0xe0020, 0x05555556 },
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{ 0xe0024, 0x05555556 },
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{ 0x80124, 0x00000003 },
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};
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static const struct venus_resources msm8916_res = {
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.freq_tbl = msm8916_freq_table,
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.freq_tbl_size = ARRAY_SIZE(msm8916_freq_table),
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.reg_tbl = msm8916_reg_preset,
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.reg_tbl_size = ARRAY_SIZE(msm8916_reg_preset),
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.clks = { "core", "iface", "bus", },
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.clks_num = 3,
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.max_load = 352800, /* 720p@30 + 1080p@30 */
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.hfi_version = HFI_VERSION_1XX,
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.vmem_id = VIDC_RESOURCE_NONE,
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.vmem_size = 0,
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.vmem_addr = 0,
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.dma_mask = 0xddc00000 - 1,
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.fwname = "qcom/venus-1.8/venus.mdt",
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};
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static const struct freq_tbl msm8996_freq_table[] = {
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{ 1944000, 520000000 }, /* 4k UHD @ 60 (decode only) */
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{ 972000, 520000000 }, /* 4k UHD @ 30 */
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{ 489600, 346666667 }, /* 1080p @ 60 */
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{ 244800, 150000000 }, /* 1080p @ 30 */
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{ 108000, 75000000 }, /* 720p @ 30 */
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};
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static const struct reg_val msm8996_reg_preset[] = {
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{ 0x80010, 0xffffffff },
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{ 0x80018, 0x00001556 },
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{ 0x8001C, 0x00001556 },
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};
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static const struct venus_resources msm8996_res = {
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.freq_tbl = msm8996_freq_table,
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.freq_tbl_size = ARRAY_SIZE(msm8996_freq_table),
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.reg_tbl = msm8996_reg_preset,
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.reg_tbl_size = ARRAY_SIZE(msm8996_reg_preset),
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.clks = {"core", "iface", "bus", "mbus" },
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.clks_num = 4,
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.vcodec0_clks = { "core" },
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.vcodec1_clks = { "core" },
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.vcodec_clks_num = 1,
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.max_load = 2563200,
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.hfi_version = HFI_VERSION_3XX,
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.vmem_id = VIDC_RESOURCE_NONE,
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.vmem_size = 0,
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.vmem_addr = 0,
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.dma_mask = 0xddc00000 - 1,
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.fwname = "qcom/venus-4.2/venus.mdt",
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};
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static const struct freq_tbl sdm845_freq_table[] = {
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{ 3110400, 533000000 }, /* 4096x2160@90 */
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{ 2073600, 444000000 }, /* 4096x2160@60 */
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{ 1944000, 404000000 }, /* 3840x2160@60 */
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{ 972000, 330000000 }, /* 3840x2160@30 */
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{ 489600, 200000000 }, /* 1920x1080@60 */
|
{ 244800, 100000000 }, /* 1920x1080@30 */
|
};
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|
static const struct codec_freq_data sdm845_codec_freq_data[] = {
|
{ V4L2_PIX_FMT_H264, VIDC_SESSION_TYPE_ENC, 675, 10 },
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{ V4L2_PIX_FMT_HEVC, VIDC_SESSION_TYPE_ENC, 675, 10 },
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{ V4L2_PIX_FMT_VP8, VIDC_SESSION_TYPE_ENC, 675, 10 },
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{ V4L2_PIX_FMT_MPEG2, VIDC_SESSION_TYPE_DEC, 200, 10 },
|
{ V4L2_PIX_FMT_H264, VIDC_SESSION_TYPE_DEC, 200, 10 },
|
{ V4L2_PIX_FMT_HEVC, VIDC_SESSION_TYPE_DEC, 200, 10 },
|
{ V4L2_PIX_FMT_VP8, VIDC_SESSION_TYPE_DEC, 200, 10 },
|
{ V4L2_PIX_FMT_VP9, VIDC_SESSION_TYPE_DEC, 200, 10 },
|
};
|
|
static const struct bw_tbl sdm845_bw_table_enc[] = {
|
{ 1944000, 1612000, 0, 2416000, 0 }, /* 3840x2160@60 */
|
{ 972000, 951000, 0, 1434000, 0 }, /* 3840x2160@30 */
|
{ 489600, 723000, 0, 973000, 0 }, /* 1920x1080@60 */
|
{ 244800, 370000, 0, 495000, 0 }, /* 1920x1080@30 */
|
};
|
|
static const struct bw_tbl sdm845_bw_table_dec[] = {
|
{ 2073600, 3929000, 0, 5551000, 0 }, /* 4096x2160@60 */
|
{ 1036800, 1987000, 0, 2797000, 0 }, /* 4096x2160@30 */
|
{ 489600, 1040000, 0, 1298000, 0 }, /* 1920x1080@60 */
|
{ 244800, 530000, 0, 659000, 0 }, /* 1920x1080@30 */
|
};
|
|
static const struct venus_resources sdm845_res = {
|
.freq_tbl = sdm845_freq_table,
|
.freq_tbl_size = ARRAY_SIZE(sdm845_freq_table),
|
.bw_tbl_enc = sdm845_bw_table_enc,
|
.bw_tbl_enc_size = ARRAY_SIZE(sdm845_bw_table_enc),
|
.bw_tbl_dec = sdm845_bw_table_dec,
|
.bw_tbl_dec_size = ARRAY_SIZE(sdm845_bw_table_dec),
|
.codec_freq_data = sdm845_codec_freq_data,
|
.codec_freq_data_size = ARRAY_SIZE(sdm845_codec_freq_data),
|
.clks = {"core", "iface", "bus" },
|
.clks_num = 3,
|
.vcodec0_clks = { "core", "bus" },
|
.vcodec1_clks = { "core", "bus" },
|
.vcodec_clks_num = 2,
|
.max_load = 3110400, /* 4096x2160@90 */
|
.hfi_version = HFI_VERSION_4XX,
|
.vmem_id = VIDC_RESOURCE_NONE,
|
.vmem_size = 0,
|
.vmem_addr = 0,
|
.dma_mask = 0xe0000000 - 1,
|
.fwname = "qcom/venus-5.2/venus.mdt",
|
};
|
|
static const struct venus_resources sdm845_res_v2 = {
|
.freq_tbl = sdm845_freq_table,
|
.freq_tbl_size = ARRAY_SIZE(sdm845_freq_table),
|
.bw_tbl_enc = sdm845_bw_table_enc,
|
.bw_tbl_enc_size = ARRAY_SIZE(sdm845_bw_table_enc),
|
.bw_tbl_dec = sdm845_bw_table_dec,
|
.bw_tbl_dec_size = ARRAY_SIZE(sdm845_bw_table_dec),
|
.codec_freq_data = sdm845_codec_freq_data,
|
.codec_freq_data_size = ARRAY_SIZE(sdm845_codec_freq_data),
|
.clks = {"core", "iface", "bus" },
|
.clks_num = 3,
|
.vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
|
.vcodec1_clks = { "vcodec1_core", "vcodec1_bus" },
|
.vcodec_clks_num = 2,
|
.vcodec_pmdomains = { "venus", "vcodec0", "vcodec1" },
|
.vcodec_pmdomains_num = 3,
|
.opp_pmdomain = (const char *[]) { "cx", NULL },
|
.vcodec_num = 2,
|
.max_load = 3110400, /* 4096x2160@90 */
|
.hfi_version = HFI_VERSION_4XX,
|
.vmem_id = VIDC_RESOURCE_NONE,
|
.vmem_size = 0,
|
.vmem_addr = 0,
|
.dma_mask = 0xe0000000 - 1,
|
.cp_start = 0,
|
.cp_size = 0x70800000,
|
.cp_nonpixel_start = 0x1000000,
|
.cp_nonpixel_size = 0x24800000,
|
.fwname = "qcom/venus-5.2/venus.mdt",
|
};
|
|
static const struct freq_tbl sc7180_freq_table[] = {
|
{ 0, 500000000 },
|
{ 0, 434000000 },
|
{ 0, 340000000 },
|
{ 0, 270000000 },
|
{ 0, 150000000 },
|
};
|
|
static const struct bw_tbl sc7180_bw_table_enc[] = {
|
{ 972000, 750000, 0, 0, 0 }, /* 3840x2160@30 */
|
{ 489600, 451000, 0, 0, 0 }, /* 1920x1080@60 */
|
{ 244800, 234000, 0, 0, 0 }, /* 1920x1080@30 */
|
};
|
|
static const struct bw_tbl sc7180_bw_table_dec[] = {
|
{ 1036800, 1386000, 0, 1875000, 0 }, /* 4096x2160@30 */
|
{ 489600, 865000, 0, 1146000, 0 }, /* 1920x1080@60 */
|
{ 244800, 530000, 0, 583000, 0 }, /* 1920x1080@30 */
|
};
|
|
static const struct venus_resources sc7180_res = {
|
.freq_tbl = sc7180_freq_table,
|
.freq_tbl_size = ARRAY_SIZE(sc7180_freq_table),
|
.bw_tbl_enc = sc7180_bw_table_enc,
|
.bw_tbl_enc_size = ARRAY_SIZE(sc7180_bw_table_enc),
|
.bw_tbl_dec = sc7180_bw_table_dec,
|
.bw_tbl_dec_size = ARRAY_SIZE(sc7180_bw_table_dec),
|
.codec_freq_data = sdm845_codec_freq_data,
|
.codec_freq_data_size = ARRAY_SIZE(sdm845_codec_freq_data),
|
.clks = {"core", "iface", "bus" },
|
.clks_num = 3,
|
.vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
|
.vcodec_clks_num = 2,
|
.vcodec_pmdomains = { "venus", "vcodec0" },
|
.vcodec_pmdomains_num = 2,
|
.opp_pmdomain = (const char *[]) { "cx", NULL },
|
.vcodec_num = 1,
|
.hfi_version = HFI_VERSION_4XX,
|
.vmem_id = VIDC_RESOURCE_NONE,
|
.vmem_size = 0,
|
.vmem_addr = 0,
|
.dma_mask = 0xe0000000 - 1,
|
.fwname = "qcom/venus-5.4/venus.mdt",
|
};
|
|
static const struct of_device_id venus_dt_match[] = {
|
{ .compatible = "qcom,msm8916-venus", .data = &msm8916_res, },
|
{ .compatible = "qcom,msm8996-venus", .data = &msm8996_res, },
|
{ .compatible = "qcom,sdm845-venus", .data = &sdm845_res, },
|
{ .compatible = "qcom,sdm845-venus-v2", .data = &sdm845_res_v2, },
|
{ .compatible = "qcom,sc7180-venus", .data = &sc7180_res, },
|
{ }
|
};
|
MODULE_DEVICE_TABLE(of, venus_dt_match);
|
|
static struct platform_driver qcom_venus_driver = {
|
.probe = venus_probe,
|
.remove = venus_remove,
|
.driver = {
|
.name = "qcom-venus",
|
.of_match_table = venus_dt_match,
|
.pm = &venus_pm_ops,
|
},
|
};
|
module_platform_driver(qcom_venus_driver);
|
|
MODULE_ALIAS("platform:qcom-venus");
|
MODULE_DESCRIPTION("Qualcomm Venus video encoder and decoder driver");
|
MODULE_LICENSE("GPL v2");
|
