#include <linux/clk.h>
#include <linux/interconnect.h>
#include <linux/module.h>
#include <linux/pm_domain.h>
#include <linux/pm_opp.h>
#include <linux/pm_runtime.h>
#include <linux/reset.h>
#include "iris_core.h"
#include "iris_ctrls.h"
#include "iris_vidc.h"
static int iris_init_icc(struct iris_core *core)
{
const struct icc_info *icc_tbl;
u32 i = 0;
icc_tbl = core->iris_platform_data->icc_tbl;
core->icc_count = core->iris_platform_data->icc_tbl_size;
core->icc_tbl = devm_kzalloc(core->dev,
sizeof(struct icc_bulk_data) * core->icc_count,
GFP_KERNEL);
if (!core->icc_tbl)
return -ENOMEM;
for (i = 0; i < core->icc_count; i++) {
core->icc_tbl[i].name = icc_tbl[i].name;
core->icc_tbl[i].avg_bw = icc_tbl[i].bw_min_kbps;
core->icc_tbl[i].peak_bw = 0;
}
return devm_of_icc_bulk_get(core->dev, core->icc_count, core->icc_tbl);
}
static int iris_init_power_domains(struct iris_core *core)
{
int ret;
struct dev_pm_domain_attach_data iris_pd_data = {
.pd_names = core->iris_platform_data->pmdomain_tbl,
.num_pd_names = core->iris_platform_data->pmdomain_tbl_size,
.pd_flags = PD_FLAG_NO_DEV_LINK,
};
struct dev_pm_domain_attach_data iris_opp_pd_data = {
.pd_names = core->iris_platform_data->opp_pd_tbl,
.num_pd_names = core->iris_platform_data->opp_pd_tbl_size,
.pd_flags = PD_FLAG_DEV_LINK_ON | PD_FLAG_REQUIRED_OPP,
};
struct dev_pm_opp_config iris_opp_clk_data = {
.clk_names = core->iris_platform_data->opp_clk_tbl,
.config_clks = dev_pm_opp_config_clks_simple,
};
ret = devm_pm_domain_attach_list(core->dev, &iris_pd_data, &core->pmdomain_tbl);
if (ret < 0)
return ret;
ret = devm_pm_domain_attach_list(core->dev, &iris_opp_pd_data, &core->opp_pmdomain_tbl);
if (ret < 0)
return ret;
ret = devm_pm_opp_set_config(core->dev, &iris_opp_clk_data);
if (ret)
return ret;
return devm_pm_opp_of_add_table(core->dev);
}
static int iris_init_clocks(struct iris_core *core)
{
int ret;
ret = devm_clk_bulk_get_all(core->dev, &core->clock_tbl);
if (ret < 0)
return ret;
core->clk_count = ret;
return 0;
}
static int iris_init_reset_table(struct iris_core *core,
struct reset_control_bulk_data **resets,
const char * const *rst_tbl, u32 rst_tbl_size)
{
u32 i = 0;
*resets = devm_kzalloc(core->dev,
sizeof(struct reset_control_bulk_data) * rst_tbl_size,
GFP_KERNEL);
if (!*resets)
return -ENOMEM;
for (i = 0; i < rst_tbl_size; i++)
(*resets)[i].id = rst_tbl[i];
return devm_reset_control_bulk_get_exclusive(core->dev, rst_tbl_size, *resets);
}
static int iris_init_resets(struct iris_core *core)
{
int ret;
ret = iris_init_reset_table(core, &core->resets,
core->iris_platform_data->clk_rst_tbl,
core->iris_platform_data->clk_rst_tbl_size);
if (ret)
return ret;
if (!core->iris_platform_data->controller_rst_tbl_size)
return 0;
return iris_init_reset_table(core, &core->controller_resets,
core->iris_platform_data->controller_rst_tbl,
core->iris_platform_data->controller_rst_tbl_size);
}
static int iris_init_resources(struct iris_core *core)
{
int ret;
ret = iris_init_icc(core);
if (ret)
return ret;
ret = iris_init_power_domains(core);
if (ret)
return ret;
ret = iris_init_clocks(core);
if (ret)
return ret;
return iris_init_resets(core);
}
static int iris_register_video_device(struct iris_core *core, enum domain_type type)
{
struct video_device *vdev;
int ret;
vdev = video_device_alloc();
if (!vdev)
return -ENOMEM;
vdev->release = video_device_release;
vdev->fops = core->iris_v4l2_file_ops;
vdev->vfl_dir = VFL_DIR_M2M;
vdev->v4l2_dev = &core->v4l2_dev;
vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
if (type == DECODER) {
strscpy(vdev->name, "qcom-iris-decoder", sizeof(vdev->name));
vdev->ioctl_ops = core->iris_v4l2_ioctl_ops_dec;
core->vdev_dec = vdev;
} else if (type == ENCODER) {
strscpy(vdev->name, "qcom-iris-encoder", sizeof(vdev->name));
vdev->ioctl_ops = core->iris_v4l2_ioctl_ops_enc;
core->vdev_enc = vdev;
} else {
ret = -EINVAL;
goto err_vdev_release;
}
ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
if (ret)
goto err_vdev_release;
video_set_drvdata(vdev, core);
return 0;
err_vdev_release:
video_device_release(vdev);
return ret;
}
static void iris_remove(struct platform_device *pdev)
{
struct iris_core *core;
core = platform_get_drvdata(pdev);
if (!core)
return;
iris_core_deinit(core);
video_unregister_device(core->vdev_dec);
video_unregister_device(core->vdev_enc);
v4l2_device_unregister(&core->v4l2_dev);
mutex_destroy(&core->lock);
}
static void iris_sys_error_handler(struct work_struct *work)
{
struct iris_core *core =
container_of(work, struct iris_core, sys_error_handler.work);
iris_core_deinit(core);
iris_core_init(core);
}
static int iris_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct iris_core *core;
u64 dma_mask;
int ret;
core = devm_kzalloc(&pdev->dev, sizeof(*core), GFP_KERNEL);
if (!core)
return -ENOMEM;
core->dev = dev;
core->state = IRIS_CORE_DEINIT;
mutex_init(&core->lock);
init_completion(&core->core_init_done);
core->response_packet = devm_kzalloc(core->dev, IFACEQ_CORE_PKT_SIZE, GFP_KERNEL);
if (!core->response_packet)
return -ENOMEM;
INIT_LIST_HEAD(&core->instances);
INIT_DELAYED_WORK(&core->sys_error_handler, iris_sys_error_handler);
core->reg_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(core->reg_base))
return PTR_ERR(core->reg_base);
core->irq = platform_get_irq(pdev, 0);
if (core->irq < 0)
return core->irq;
core->iris_platform_data = of_device_get_match_data(core->dev);
ret = devm_request_threaded_irq(core->dev, core->irq, iris_hfi_isr,
iris_hfi_isr_handler, IRQF_TRIGGER_HIGH, "iris", core);
if (ret)
return ret;
disable_irq_nosync(core->irq);
iris_init_ops(core);
core->iris_platform_data->init_hfi_command_ops(core);
core->iris_platform_data->init_hfi_response_ops(core);
ret = iris_init_resources(core);
if (ret)
return ret;
iris_session_init_caps(core);
ret = v4l2_device_register(dev, &core->v4l2_dev);
if (ret)
return ret;
ret = iris_register_video_device(core, DECODER);
if (ret)
goto err_v4l2_unreg;
ret = iris_register_video_device(core, ENCODER);
if (ret)
goto err_vdev_unreg_dec;
platform_set_drvdata(pdev, core);
dma_mask = core->iris_platform_data->dma_mask;
ret = dma_set_mask_and_coherent(dev, dma_mask);
if (ret)
goto err_vdev_unreg_enc;
dma_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
dma_set_seg_boundary(&pdev->dev, DMA_BIT_MASK(32));
pm_runtime_set_autosuspend_delay(core->dev, AUTOSUSPEND_DELAY_VALUE);
pm_runtime_use_autosuspend(core->dev);
ret = devm_pm_runtime_enable(core->dev);
if (ret)
goto err_vdev_unreg_enc;
return 0;
err_vdev_unreg_enc:
video_unregister_device(core->vdev_enc);
err_vdev_unreg_dec:
video_unregister_device(core->vdev_dec);
err_v4l2_unreg:
v4l2_device_unregister(&core->v4l2_dev);
return ret;
}
static int __maybe_unused iris_pm_suspend(struct device *dev)
{
struct iris_core *core;
int ret = 0;
core = dev_get_drvdata(dev);
mutex_lock(&core->lock);
if (core->state != IRIS_CORE_INIT)
goto exit;
ret = iris_hfi_pm_suspend(core);
exit:
mutex_unlock(&core->lock);
return ret;
}
static int __maybe_unused iris_pm_resume(struct device *dev)
{
struct iris_core *core;
int ret = 0;
core = dev_get_drvdata(dev);
mutex_lock(&core->lock);
if (core->state != IRIS_CORE_INIT)
goto exit;
ret = iris_hfi_pm_resume(core);
pm_runtime_mark_last_busy(core->dev);
exit:
mutex_unlock(&core->lock);
return ret;
}
static const struct dev_pm_ops iris_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
SET_RUNTIME_PM_OPS(iris_pm_suspend, iris_pm_resume, NULL)
};
static const struct of_device_id iris_dt_match[] = {
{
.compatible = "qcom,qcs8300-iris",
.data = &qcs8300_data,
},
#if (!IS_ENABLED(CONFIG_VIDEO_QCOM_VENUS))
{
.compatible = "qcom,sc7280-venus",
.data = &sc7280_data,
},
{
.compatible = "qcom,sm8250-venus",
.data = &sm8250_data,
},
#endif
{
.compatible = "qcom,sm8550-iris",
.data = &sm8550_data,
},
{
.compatible = "qcom,sm8650-iris",
.data = &sm8650_data,
},
{
.compatible = "qcom,sm8750-iris",
.data = &sm8750_data,
},
{ },
};
MODULE_DEVICE_TABLE(of, iris_dt_match);
static struct platform_driver qcom_iris_driver = {
.probe = iris_probe,
.remove = iris_remove,
.driver = {
.name = "qcom-iris",
.of_match_table = iris_dt_match,
.pm = &iris_pm_ops,
},
};
module_platform_driver(qcom_iris_driver);
MODULE_DESCRIPTION("Qualcomm iris video driver");
MODULE_LICENSE("GPL");
