// SPDX-License-Identifier: GPL-2.0+
|
/*
|
* vsp1_drv.c -- R-Car VSP1 Driver
|
*
|
* Copyright (C) 2013-2015 Renesas Electronics Corporation
|
*
|
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
|
*/
|
|
#include <linux/clk.h>
|
#include <linux/delay.h>
|
#include <linux/device.h>
|
#include <linux/interrupt.h>
|
#include <linux/module.h>
|
#include <linux/of.h>
|
#include <linux/of_device.h>
|
#include <linux/platform_device.h>
|
#include <linux/pm_runtime.h>
|
#include <linux/videodev2.h>
|
|
#include <media/rcar-fcp.h>
|
#include <media/v4l2-subdev.h>
|
|
#include "vsp1.h"
|
#include "vsp1_brx.h"
|
#include "vsp1_clu.h"
|
#include "vsp1_dl.h"
|
#include "vsp1_drm.h"
|
#include "vsp1_hgo.h"
|
#include "vsp1_hgt.h"
|
#include "vsp1_hsit.h"
|
#include "vsp1_lif.h"
|
#include "vsp1_lut.h"
|
#include "vsp1_pipe.h"
|
#include "vsp1_rwpf.h"
|
#include "vsp1_sru.h"
|
#include "vsp1_uds.h"
|
#include "vsp1_uif.h"
|
#include "vsp1_video.h"
|
|
/* -----------------------------------------------------------------------------
|
* Interrupt Handling
|
*/
|
|
static irqreturn_t vsp1_irq_handler(int irq, void *data)
|
{
|
u32 mask = VI6_WFP_IRQ_STA_DFE | VI6_WFP_IRQ_STA_FRE;
|
struct vsp1_device *vsp1 = data;
|
irqreturn_t ret = IRQ_NONE;
|
unsigned int i;
|
u32 status;
|
|
for (i = 0; i < vsp1->info->wpf_count; ++i) {
|
struct vsp1_rwpf *wpf = vsp1->wpf[i];
|
|
if (wpf == NULL)
|
continue;
|
|
status = vsp1_read(vsp1, VI6_WPF_IRQ_STA(i));
|
vsp1_write(vsp1, VI6_WPF_IRQ_STA(i), ~status & mask);
|
|
if (status & VI6_WFP_IRQ_STA_DFE) {
|
vsp1_pipeline_frame_end(wpf->entity.pipe);
|
ret = IRQ_HANDLED;
|
}
|
}
|
|
return ret;
|
}
|
|
/* -----------------------------------------------------------------------------
|
* Entities
|
*/
|
|
/*
|
* vsp1_create_sink_links - Create links from all sources to the given sink
|
*
|
* This function creates media links from all valid sources to the given sink
|
* pad. Links that would be invalid according to the VSP1 hardware capabilities
|
* are skipped. Those include all links
|
*
|
* - from a UDS to a UDS (UDS entities can't be chained)
|
* - from an entity to itself (no loops are allowed)
|
*
|
* Furthermore, the BRS can't be connected to histogram generators, but no
|
* special check is currently needed as all VSP instances that include a BRS
|
* have no histogram generator.
|
*/
|
static int vsp1_create_sink_links(struct vsp1_device *vsp1,
|
struct vsp1_entity *sink)
|
{
|
struct media_entity *entity = &sink->subdev.entity;
|
struct vsp1_entity *source;
|
unsigned int pad;
|
int ret;
|
|
list_for_each_entry(source, &vsp1->entities, list_dev) {
|
u32 flags;
|
|
if (source->type == sink->type)
|
continue;
|
|
if (source->type == VSP1_ENTITY_HGO ||
|
source->type == VSP1_ENTITY_HGT ||
|
source->type == VSP1_ENTITY_LIF ||
|
source->type == VSP1_ENTITY_WPF)
|
continue;
|
|
flags = source->type == VSP1_ENTITY_RPF &&
|
sink->type == VSP1_ENTITY_WPF &&
|
source->index == sink->index
|
? MEDIA_LNK_FL_ENABLED : 0;
|
|
for (pad = 0; pad < entity->num_pads; ++pad) {
|
if (!(entity->pads[pad].flags & MEDIA_PAD_FL_SINK))
|
continue;
|
|
ret = media_create_pad_link(&source->subdev.entity,
|
source->source_pad,
|
entity, pad, flags);
|
if (ret < 0)
|
return ret;
|
|
if (flags & MEDIA_LNK_FL_ENABLED)
|
source->sink = sink;
|
}
|
}
|
|
return 0;
|
}
|
|
static int vsp1_uapi_create_links(struct vsp1_device *vsp1)
|
{
|
struct vsp1_entity *entity;
|
unsigned int i;
|
int ret;
|
|
list_for_each_entry(entity, &vsp1->entities, list_dev) {
|
if (entity->type == VSP1_ENTITY_LIF ||
|
entity->type == VSP1_ENTITY_RPF)
|
continue;
|
|
ret = vsp1_create_sink_links(vsp1, entity);
|
if (ret < 0)
|
return ret;
|
}
|
|
if (vsp1->hgo) {
|
ret = media_create_pad_link(&vsp1->hgo->histo.entity.subdev.entity,
|
HISTO_PAD_SOURCE,
|
&vsp1->hgo->histo.video.entity, 0,
|
MEDIA_LNK_FL_ENABLED |
|
MEDIA_LNK_FL_IMMUTABLE);
|
if (ret < 0)
|
return ret;
|
}
|
|
if (vsp1->hgt) {
|
ret = media_create_pad_link(&vsp1->hgt->histo.entity.subdev.entity,
|
HISTO_PAD_SOURCE,
|
&vsp1->hgt->histo.video.entity, 0,
|
MEDIA_LNK_FL_ENABLED |
|
MEDIA_LNK_FL_IMMUTABLE);
|
if (ret < 0)
|
return ret;
|
}
|
|
for (i = 0; i < vsp1->info->lif_count; ++i) {
|
if (!vsp1->lif[i])
|
continue;
|
|
ret = media_create_pad_link(&vsp1->wpf[i]->entity.subdev.entity,
|
RWPF_PAD_SOURCE,
|
&vsp1->lif[i]->entity.subdev.entity,
|
LIF_PAD_SINK, 0);
|
if (ret < 0)
|
return ret;
|
}
|
|
for (i = 0; i < vsp1->info->rpf_count; ++i) {
|
struct vsp1_rwpf *rpf = vsp1->rpf[i];
|
|
ret = media_create_pad_link(&rpf->video->video.entity, 0,
|
&rpf->entity.subdev.entity,
|
RWPF_PAD_SINK,
|
MEDIA_LNK_FL_ENABLED |
|
MEDIA_LNK_FL_IMMUTABLE);
|
if (ret < 0)
|
return ret;
|
}
|
|
for (i = 0; i < vsp1->info->wpf_count; ++i) {
|
/*
|
* Connect the video device to the WPF. All connections are
|
* immutable.
|
*/
|
struct vsp1_rwpf *wpf = vsp1->wpf[i];
|
|
ret = media_create_pad_link(&wpf->entity.subdev.entity,
|
RWPF_PAD_SOURCE,
|
&wpf->video->video.entity, 0,
|
MEDIA_LNK_FL_IMMUTABLE |
|
MEDIA_LNK_FL_ENABLED);
|
if (ret < 0)
|
return ret;
|
}
|
|
return 0;
|
}
|
|
static void vsp1_destroy_entities(struct vsp1_device *vsp1)
|
{
|
struct vsp1_entity *entity, *_entity;
|
struct vsp1_video *video, *_video;
|
|
list_for_each_entry_safe(entity, _entity, &vsp1->entities, list_dev) {
|
list_del(&entity->list_dev);
|
vsp1_entity_destroy(entity);
|
}
|
|
list_for_each_entry_safe(video, _video, &vsp1->videos, list) {
|
list_del(&video->list);
|
vsp1_video_cleanup(video);
|
}
|
|
v4l2_device_unregister(&vsp1->v4l2_dev);
|
if (vsp1->info->uapi)
|
media_device_unregister(&vsp1->media_dev);
|
media_device_cleanup(&vsp1->media_dev);
|
|
if (!vsp1->info->uapi)
|
vsp1_drm_cleanup(vsp1);
|
}
|
|
static int vsp1_create_entities(struct vsp1_device *vsp1)
|
{
|
struct media_device *mdev = &vsp1->media_dev;
|
struct v4l2_device *vdev = &vsp1->v4l2_dev;
|
struct vsp1_entity *entity;
|
unsigned int i;
|
int ret;
|
|
mdev->dev = vsp1->dev;
|
mdev->hw_revision = vsp1->version;
|
strscpy(mdev->model, vsp1->info->model, sizeof(mdev->model));
|
snprintf(mdev->bus_info, sizeof(mdev->bus_info), "platform:%s",
|
dev_name(mdev->dev));
|
media_device_init(mdev);
|
|
vsp1->media_ops.link_setup = vsp1_entity_link_setup;
|
/*
|
* Don't perform link validation when the userspace API is disabled as
|
* the pipeline is configured internally by the driver in that case, and
|
* its configuration can thus be trusted.
|
*/
|
if (vsp1->info->uapi)
|
vsp1->media_ops.link_validate = v4l2_subdev_link_validate;
|
|
vdev->mdev = mdev;
|
ret = v4l2_device_register(vsp1->dev, vdev);
|
if (ret < 0) {
|
dev_err(vsp1->dev, "V4L2 device registration failed (%d)\n",
|
ret);
|
goto done;
|
}
|
|
/* Instantiate all the entities. */
|
if (vsp1_feature(vsp1, VSP1_HAS_BRS)) {
|
vsp1->brs = vsp1_brx_create(vsp1, VSP1_ENTITY_BRS);
|
if (IS_ERR(vsp1->brs)) {
|
ret = PTR_ERR(vsp1->brs);
|
goto done;
|
}
|
|
list_add_tail(&vsp1->brs->entity.list_dev, &vsp1->entities);
|
}
|
|
if (vsp1_feature(vsp1, VSP1_HAS_BRU)) {
|
vsp1->bru = vsp1_brx_create(vsp1, VSP1_ENTITY_BRU);
|
if (IS_ERR(vsp1->bru)) {
|
ret = PTR_ERR(vsp1->bru);
|
goto done;
|
}
|
|
list_add_tail(&vsp1->bru->entity.list_dev, &vsp1->entities);
|
}
|
|
if (vsp1_feature(vsp1, VSP1_HAS_CLU)) {
|
vsp1->clu = vsp1_clu_create(vsp1);
|
if (IS_ERR(vsp1->clu)) {
|
ret = PTR_ERR(vsp1->clu);
|
goto done;
|
}
|
|
list_add_tail(&vsp1->clu->entity.list_dev, &vsp1->entities);
|
}
|
|
vsp1->hsi = vsp1_hsit_create(vsp1, true);
|
if (IS_ERR(vsp1->hsi)) {
|
ret = PTR_ERR(vsp1->hsi);
|
goto done;
|
}
|
|
list_add_tail(&vsp1->hsi->entity.list_dev, &vsp1->entities);
|
|
vsp1->hst = vsp1_hsit_create(vsp1, false);
|
if (IS_ERR(vsp1->hst)) {
|
ret = PTR_ERR(vsp1->hst);
|
goto done;
|
}
|
|
list_add_tail(&vsp1->hst->entity.list_dev, &vsp1->entities);
|
|
if (vsp1_feature(vsp1, VSP1_HAS_HGO) && vsp1->info->uapi) {
|
vsp1->hgo = vsp1_hgo_create(vsp1);
|
if (IS_ERR(vsp1->hgo)) {
|
ret = PTR_ERR(vsp1->hgo);
|
goto done;
|
}
|
|
list_add_tail(&vsp1->hgo->histo.entity.list_dev,
|
&vsp1->entities);
|
}
|
|
if (vsp1_feature(vsp1, VSP1_HAS_HGT) && vsp1->info->uapi) {
|
vsp1->hgt = vsp1_hgt_create(vsp1);
|
if (IS_ERR(vsp1->hgt)) {
|
ret = PTR_ERR(vsp1->hgt);
|
goto done;
|
}
|
|
list_add_tail(&vsp1->hgt->histo.entity.list_dev,
|
&vsp1->entities);
|
}
|
|
/*
|
* The LIFs are only supported when used in conjunction with the DU, in
|
* which case the userspace API is disabled. If the userspace API is
|
* enabled skip the LIFs, even when present.
|
*/
|
if (!vsp1->info->uapi) {
|
for (i = 0; i < vsp1->info->lif_count; ++i) {
|
struct vsp1_lif *lif;
|
|
lif = vsp1_lif_create(vsp1, i);
|
if (IS_ERR(lif)) {
|
ret = PTR_ERR(lif);
|
goto done;
|
}
|
|
vsp1->lif[i] = lif;
|
list_add_tail(&lif->entity.list_dev, &vsp1->entities);
|
}
|
}
|
|
if (vsp1_feature(vsp1, VSP1_HAS_LUT)) {
|
vsp1->lut = vsp1_lut_create(vsp1);
|
if (IS_ERR(vsp1->lut)) {
|
ret = PTR_ERR(vsp1->lut);
|
goto done;
|
}
|
|
list_add_tail(&vsp1->lut->entity.list_dev, &vsp1->entities);
|
}
|
|
for (i = 0; i < vsp1->info->rpf_count; ++i) {
|
struct vsp1_rwpf *rpf;
|
|
rpf = vsp1_rpf_create(vsp1, i);
|
if (IS_ERR(rpf)) {
|
ret = PTR_ERR(rpf);
|
goto done;
|
}
|
|
vsp1->rpf[i] = rpf;
|
list_add_tail(&rpf->entity.list_dev, &vsp1->entities);
|
|
if (vsp1->info->uapi) {
|
struct vsp1_video *video = vsp1_video_create(vsp1, rpf);
|
|
if (IS_ERR(video)) {
|
ret = PTR_ERR(video);
|
goto done;
|
}
|
|
list_add_tail(&video->list, &vsp1->videos);
|
}
|
}
|
|
if (vsp1_feature(vsp1, VSP1_HAS_SRU)) {
|
vsp1->sru = vsp1_sru_create(vsp1);
|
if (IS_ERR(vsp1->sru)) {
|
ret = PTR_ERR(vsp1->sru);
|
goto done;
|
}
|
|
list_add_tail(&vsp1->sru->entity.list_dev, &vsp1->entities);
|
}
|
|
for (i = 0; i < vsp1->info->uds_count; ++i) {
|
struct vsp1_uds *uds;
|
|
uds = vsp1_uds_create(vsp1, i);
|
if (IS_ERR(uds)) {
|
ret = PTR_ERR(uds);
|
goto done;
|
}
|
|
vsp1->uds[i] = uds;
|
list_add_tail(&uds->entity.list_dev, &vsp1->entities);
|
}
|
|
for (i = 0; i < vsp1->info->uif_count; ++i) {
|
struct vsp1_uif *uif;
|
|
uif = vsp1_uif_create(vsp1, i);
|
if (IS_ERR(uif)) {
|
ret = PTR_ERR(uif);
|
goto done;
|
}
|
|
vsp1->uif[i] = uif;
|
list_add_tail(&uif->entity.list_dev, &vsp1->entities);
|
}
|
|
for (i = 0; i < vsp1->info->wpf_count; ++i) {
|
struct vsp1_rwpf *wpf;
|
|
wpf = vsp1_wpf_create(vsp1, i);
|
if (IS_ERR(wpf)) {
|
ret = PTR_ERR(wpf);
|
goto done;
|
}
|
|
vsp1->wpf[i] = wpf;
|
list_add_tail(&wpf->entity.list_dev, &vsp1->entities);
|
|
if (vsp1->info->uapi) {
|
struct vsp1_video *video = vsp1_video_create(vsp1, wpf);
|
|
if (IS_ERR(video)) {
|
ret = PTR_ERR(video);
|
goto done;
|
}
|
|
list_add_tail(&video->list, &vsp1->videos);
|
}
|
}
|
|
/* Register all subdevs. */
|
list_for_each_entry(entity, &vsp1->entities, list_dev) {
|
ret = v4l2_device_register_subdev(&vsp1->v4l2_dev,
|
&entity->subdev);
|
if (ret < 0)
|
goto done;
|
}
|
|
/*
|
* Create links and register subdev nodes if the userspace API is
|
* enabled or initialize the DRM pipeline otherwise.
|
*/
|
if (vsp1->info->uapi) {
|
ret = vsp1_uapi_create_links(vsp1);
|
if (ret < 0)
|
goto done;
|
|
ret = v4l2_device_register_subdev_nodes(&vsp1->v4l2_dev);
|
if (ret < 0)
|
goto done;
|
|
ret = media_device_register(mdev);
|
} else {
|
ret = vsp1_drm_init(vsp1);
|
}
|
|
done:
|
if (ret < 0)
|
vsp1_destroy_entities(vsp1);
|
|
return ret;
|
}
|
|
int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index)
|
{
|
unsigned int timeout;
|
u32 status;
|
|
status = vsp1_read(vsp1, VI6_STATUS);
|
if (!(status & VI6_STATUS_SYS_ACT(index)))
|
return 0;
|
|
vsp1_write(vsp1, VI6_SRESET, VI6_SRESET_SRTS(index));
|
for (timeout = 10; timeout > 0; --timeout) {
|
status = vsp1_read(vsp1, VI6_STATUS);
|
if (!(status & VI6_STATUS_SYS_ACT(index)))
|
break;
|
|
usleep_range(1000, 2000);
|
}
|
|
if (!timeout) {
|
dev_err(vsp1->dev, "failed to reset wpf.%u\n", index);
|
return -ETIMEDOUT;
|
}
|
|
return 0;
|
}
|
|
static int vsp1_device_init(struct vsp1_device *vsp1)
|
{
|
unsigned int i;
|
int ret;
|
|
/* Reset any channel that might be running. */
|
for (i = 0; i < vsp1->info->wpf_count; ++i) {
|
ret = vsp1_reset_wpf(vsp1, i);
|
if (ret < 0)
|
return ret;
|
}
|
|
vsp1_write(vsp1, VI6_CLK_DCSWT, (8 << VI6_CLK_DCSWT_CSTPW_SHIFT) |
|
(8 << VI6_CLK_DCSWT_CSTRW_SHIFT));
|
|
for (i = 0; i < vsp1->info->rpf_count; ++i)
|
vsp1_write(vsp1, VI6_DPR_RPF_ROUTE(i), VI6_DPR_NODE_UNUSED);
|
|
for (i = 0; i < vsp1->info->uds_count; ++i)
|
vsp1_write(vsp1, VI6_DPR_UDS_ROUTE(i), VI6_DPR_NODE_UNUSED);
|
|
for (i = 0; i < vsp1->info->uif_count; ++i)
|
vsp1_write(vsp1, VI6_DPR_UIF_ROUTE(i), VI6_DPR_NODE_UNUSED);
|
|
vsp1_write(vsp1, VI6_DPR_SRU_ROUTE, VI6_DPR_NODE_UNUSED);
|
vsp1_write(vsp1, VI6_DPR_LUT_ROUTE, VI6_DPR_NODE_UNUSED);
|
vsp1_write(vsp1, VI6_DPR_CLU_ROUTE, VI6_DPR_NODE_UNUSED);
|
vsp1_write(vsp1, VI6_DPR_HST_ROUTE, VI6_DPR_NODE_UNUSED);
|
vsp1_write(vsp1, VI6_DPR_HSI_ROUTE, VI6_DPR_NODE_UNUSED);
|
vsp1_write(vsp1, VI6_DPR_BRU_ROUTE, VI6_DPR_NODE_UNUSED);
|
|
if (vsp1_feature(vsp1, VSP1_HAS_BRS))
|
vsp1_write(vsp1, VI6_DPR_ILV_BRS_ROUTE, VI6_DPR_NODE_UNUSED);
|
|
vsp1_write(vsp1, VI6_DPR_HGO_SMPPT, (7 << VI6_DPR_SMPPT_TGW_SHIFT) |
|
(VI6_DPR_NODE_UNUSED << VI6_DPR_SMPPT_PT_SHIFT));
|
vsp1_write(vsp1, VI6_DPR_HGT_SMPPT, (7 << VI6_DPR_SMPPT_TGW_SHIFT) |
|
(VI6_DPR_NODE_UNUSED << VI6_DPR_SMPPT_PT_SHIFT));
|
|
vsp1_dlm_setup(vsp1);
|
|
return 0;
|
}
|
|
/*
|
* vsp1_device_get - Acquire the VSP1 device
|
*
|
* Make sure the device is not suspended and initialize it if needed.
|
*
|
* Return 0 on success or a negative error code otherwise.
|
*/
|
int vsp1_device_get(struct vsp1_device *vsp1)
|
{
|
int ret;
|
|
ret = pm_runtime_get_sync(vsp1->dev);
|
if (ret < 0) {
|
pm_runtime_put_noidle(vsp1->dev);
|
return ret;
|
}
|
|
return 0;
|
}
|
|
/*
|
* vsp1_device_put - Release the VSP1 device
|
*
|
* Decrement the VSP1 reference count and cleanup the device if the last
|
* reference is released.
|
*/
|
void vsp1_device_put(struct vsp1_device *vsp1)
|
{
|
pm_runtime_put_sync(vsp1->dev);
|
}
|
|
/* -----------------------------------------------------------------------------
|
* Power Management
|
*/
|
|
static int __maybe_unused vsp1_pm_suspend(struct device *dev)
|
{
|
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
|
|
/*
|
* When used as part of a display pipeline, the VSP is stopped and
|
* restarted explicitly by the DU.
|
*/
|
if (!vsp1->drm)
|
vsp1_video_suspend(vsp1);
|
|
pm_runtime_force_suspend(vsp1->dev);
|
|
return 0;
|
}
|
|
static int __maybe_unused vsp1_pm_resume(struct device *dev)
|
{
|
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
|
|
pm_runtime_force_resume(vsp1->dev);
|
|
/*
|
* When used as part of a display pipeline, the VSP is stopped and
|
* restarted explicitly by the DU.
|
*/
|
if (!vsp1->drm)
|
vsp1_video_resume(vsp1);
|
|
return 0;
|
}
|
|
static int __maybe_unused vsp1_pm_runtime_suspend(struct device *dev)
|
{
|
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
|
|
rcar_fcp_disable(vsp1->fcp);
|
|
return 0;
|
}
|
|
static int __maybe_unused vsp1_pm_runtime_resume(struct device *dev)
|
{
|
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
|
int ret;
|
|
if (vsp1->info) {
|
ret = vsp1_device_init(vsp1);
|
if (ret < 0)
|
return ret;
|
}
|
|
return rcar_fcp_enable(vsp1->fcp);
|
}
|
|
static const struct dev_pm_ops vsp1_pm_ops = {
|
SET_SYSTEM_SLEEP_PM_OPS(vsp1_pm_suspend, vsp1_pm_resume)
|
SET_RUNTIME_PM_OPS(vsp1_pm_runtime_suspend, vsp1_pm_runtime_resume, NULL)
|
};
|
|
/* -----------------------------------------------------------------------------
|
* Platform Driver
|
*/
|
|
static const struct vsp1_device_info vsp1_device_infos[] = {
|
{
|
.version = VI6_IP_VERSION_MODEL_VSPS_H2,
|
.model = "VSP1-S",
|
.gen = 2,
|
.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_HGO
|
| VSP1_HAS_HGT | VSP1_HAS_LUT | VSP1_HAS_SRU
|
| VSP1_HAS_WPF_VFLIP,
|
.rpf_count = 5,
|
.uds_count = 3,
|
.wpf_count = 4,
|
.num_bru_inputs = 4,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPR_H2,
|
.model = "VSP1-R",
|
.gen = 2,
|
.features = VSP1_HAS_BRU | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP,
|
.rpf_count = 5,
|
.uds_count = 3,
|
.wpf_count = 4,
|
.num_bru_inputs = 4,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPD_GEN2,
|
.model = "VSP1-D",
|
.gen = 2,
|
.features = VSP1_HAS_BRU | VSP1_HAS_HGO | VSP1_HAS_LUT,
|
.lif_count = 1,
|
.rpf_count = 4,
|
.uds_count = 1,
|
.wpf_count = 1,
|
.num_bru_inputs = 4,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPS_M2,
|
.model = "VSP1-S",
|
.gen = 2,
|
.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_HGO
|
| VSP1_HAS_HGT | VSP1_HAS_LUT | VSP1_HAS_SRU
|
| VSP1_HAS_WPF_VFLIP,
|
.rpf_count = 5,
|
.uds_count = 1,
|
.wpf_count = 4,
|
.num_bru_inputs = 4,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPS_V2H,
|
.model = "VSP1V-S",
|
.gen = 2,
|
.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT
|
| VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP,
|
.rpf_count = 4,
|
.uds_count = 1,
|
.wpf_count = 4,
|
.num_bru_inputs = 4,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPD_V2H,
|
.model = "VSP1V-D",
|
.gen = 2,
|
.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT,
|
.lif_count = 1,
|
.rpf_count = 4,
|
.uds_count = 1,
|
.wpf_count = 1,
|
.num_bru_inputs = 4,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPI_GEN3,
|
.model = "VSP2-I",
|
.gen = 3,
|
.features = VSP1_HAS_CLU | VSP1_HAS_HGO | VSP1_HAS_HGT
|
| VSP1_HAS_LUT | VSP1_HAS_SRU | VSP1_HAS_WPF_HFLIP
|
| VSP1_HAS_WPF_VFLIP,
|
.rpf_count = 1,
|
.uds_count = 1,
|
.wpf_count = 1,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPBD_GEN3,
|
.model = "VSP2-BD",
|
.gen = 3,
|
.features = VSP1_HAS_BRU | VSP1_HAS_WPF_VFLIP,
|
.rpf_count = 5,
|
.wpf_count = 1,
|
.num_bru_inputs = 5,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPBC_GEN3,
|
.model = "VSP2-BC",
|
.gen = 3,
|
.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_HGO
|
| VSP1_HAS_LUT | VSP1_HAS_WPF_VFLIP,
|
.rpf_count = 5,
|
.wpf_count = 1,
|
.num_bru_inputs = 5,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPBS_GEN3,
|
.model = "VSP2-BS",
|
.gen = 3,
|
.features = VSP1_HAS_BRS | VSP1_HAS_WPF_VFLIP,
|
.rpf_count = 2,
|
.wpf_count = 1,
|
.uapi = true,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPD_GEN3,
|
.model = "VSP2-D",
|
.gen = 3,
|
.features = VSP1_HAS_BRU | VSP1_HAS_WPF_VFLIP | VSP1_HAS_EXT_DL,
|
.lif_count = 1,
|
.rpf_count = 5,
|
.uif_count = 1,
|
.wpf_count = 2,
|
.num_bru_inputs = 5,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPD_V3,
|
.model = "VSP2-D",
|
.gen = 3,
|
.features = VSP1_HAS_BRS | VSP1_HAS_BRU,
|
.lif_count = 1,
|
.rpf_count = 5,
|
.uif_count = 1,
|
.wpf_count = 1,
|
.num_bru_inputs = 5,
|
}, {
|
.version = VI6_IP_VERSION_MODEL_VSPDL_GEN3,
|
.model = "VSP2-DL",
|
.gen = 3,
|
.features = VSP1_HAS_BRS | VSP1_HAS_BRU | VSP1_HAS_EXT_DL,
|
.lif_count = 2,
|
.rpf_count = 5,
|
.uif_count = 2,
|
.wpf_count = 2,
|
.num_bru_inputs = 5,
|
},
|
};
|
|
static int vsp1_probe(struct platform_device *pdev)
|
{
|
struct vsp1_device *vsp1;
|
struct device_node *fcp_node;
|
struct resource *irq;
|
struct resource *io;
|
unsigned int i;
|
int ret;
|
|
vsp1 = devm_kzalloc(&pdev->dev, sizeof(*vsp1), GFP_KERNEL);
|
if (vsp1 == NULL)
|
return -ENOMEM;
|
|
vsp1->dev = &pdev->dev;
|
INIT_LIST_HEAD(&vsp1->entities);
|
INIT_LIST_HEAD(&vsp1->videos);
|
|
platform_set_drvdata(pdev, vsp1);
|
|
/* I/O and IRQ resources (clock managed by the clock PM domain). */
|
io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
vsp1->mmio = devm_ioremap_resource(&pdev->dev, io);
|
if (IS_ERR(vsp1->mmio))
|
return PTR_ERR(vsp1->mmio);
|
|
irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
|
if (!irq) {
|
dev_err(&pdev->dev, "missing IRQ\n");
|
return -EINVAL;
|
}
|
|
ret = devm_request_irq(&pdev->dev, irq->start, vsp1_irq_handler,
|
IRQF_SHARED, dev_name(&pdev->dev), vsp1);
|
if (ret < 0) {
|
dev_err(&pdev->dev, "failed to request IRQ\n");
|
return ret;
|
}
|
|
/* FCP (optional). */
|
fcp_node = of_parse_phandle(pdev->dev.of_node, "renesas,fcp", 0);
|
if (fcp_node) {
|
vsp1->fcp = rcar_fcp_get(fcp_node);
|
of_node_put(fcp_node);
|
if (IS_ERR(vsp1->fcp)) {
|
dev_dbg(&pdev->dev, "FCP not found (%ld)\n",
|
PTR_ERR(vsp1->fcp));
|
return PTR_ERR(vsp1->fcp);
|
}
|
|
/*
|
* When the FCP is present, it handles all bus master accesses
|
* for the VSP and must thus be used in place of the VSP device
|
* to map DMA buffers.
|
*/
|
vsp1->bus_master = rcar_fcp_get_device(vsp1->fcp);
|
} else {
|
vsp1->bus_master = vsp1->dev;
|
}
|
|
/* Configure device parameters based on the version register. */
|
pm_runtime_enable(&pdev->dev);
|
|
ret = vsp1_device_get(vsp1);
|
if (ret < 0)
|
goto done;
|
|
vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION);
|
vsp1_device_put(vsp1);
|
|
for (i = 0; i < ARRAY_SIZE(vsp1_device_infos); ++i) {
|
if ((vsp1->version & VI6_IP_VERSION_MODEL_MASK) ==
|
vsp1_device_infos[i].version) {
|
vsp1->info = &vsp1_device_infos[i];
|
break;
|
}
|
}
|
|
if (!vsp1->info) {
|
dev_err(&pdev->dev, "unsupported IP version 0x%08x\n",
|
vsp1->version);
|
ret = -ENXIO;
|
goto done;
|
}
|
|
dev_dbg(&pdev->dev, "IP version 0x%08x\n", vsp1->version);
|
|
/* Instantiate entities. */
|
ret = vsp1_create_entities(vsp1);
|
if (ret < 0) {
|
dev_err(&pdev->dev, "failed to create entities\n");
|
goto done;
|
}
|
|
done:
|
if (ret) {
|
pm_runtime_disable(&pdev->dev);
|
rcar_fcp_put(vsp1->fcp);
|
}
|
|
return ret;
|
}
|
|
static int vsp1_remove(struct platform_device *pdev)
|
{
|
struct vsp1_device *vsp1 = platform_get_drvdata(pdev);
|
|
vsp1_destroy_entities(vsp1);
|
rcar_fcp_put(vsp1->fcp);
|
|
pm_runtime_disable(&pdev->dev);
|
|
return 0;
|
}
|
|
static const struct of_device_id vsp1_of_match[] = {
|
{ .compatible = "renesas,vsp1" },
|
{ .compatible = "renesas,vsp2" },
|
{ },
|
};
|
MODULE_DEVICE_TABLE(of, vsp1_of_match);
|
|
static struct platform_driver vsp1_platform_driver = {
|
.probe = vsp1_probe,
|
.remove = vsp1_remove,
|
.driver = {
|
.name = "vsp1",
|
.pm = &vsp1_pm_ops,
|
.of_match_table = vsp1_of_match,
|
},
|
};
|
|
module_platform_driver(vsp1_platform_driver);
|
|
MODULE_ALIAS("vsp1");
|
MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>");
|
MODULE_DESCRIPTION("Renesas VSP1 Driver");
|
MODULE_LICENSE("GPL");
|
