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path: root/drivers/media/platform/vsp1/vsp1_drv.c
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Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_drv.c')
-rw-r--r--drivers/media/platform/vsp1/vsp1_drv.c853
1 files changed, 0 insertions, 853 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c
deleted file mode 100644
index 95c26edead85..000000000000
--- a/drivers/media/platform/vsp1/vsp1_drv.c
+++ /dev/null
@@ -1,853 +0,0 @@
-/*
- * vsp1_drv.c -- R-Car VSP1 Driver
- *
- * Copyright (C) 2013-2015 Renesas Electronics Corporation
- *
- * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#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_bru.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_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->pipe);
- ret = IRQ_HANDLED;
- }
- }
-
- status = vsp1_read(vsp1, VI6_DISP_IRQ_STA);
- vsp1_write(vsp1, VI6_DISP_IRQ_STA, ~status & VI6_DISP_IRQ_STA_DST);
-
- if (status & VI6_DISP_IRQ_STA_DST) {
- vsp1_drm_display_start(vsp1);
- 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)
- */
-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 = entity;
- }
- }
-
- 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;
- }
-
- if (vsp1->lif) {
- ret = media_create_pad_link(&vsp1->wpf[0]->entity.subdev.entity,
- RWPF_PAD_SOURCE,
- &vsp1->lif->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;
- strlcpy(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->info->features & VSP1_HAS_BRU) {
- vsp1->bru = vsp1_bru_create(vsp1);
- if (IS_ERR(vsp1->bru)) {
- ret = PTR_ERR(vsp1->bru);
- goto done;
- }
-
- list_add_tail(&vsp1->bru->entity.list_dev, &vsp1->entities);
- }
-
- if (vsp1->info->features & 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->info->features & 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->info->features & 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 LIF is 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 LIF, even when present.
- */
- if (vsp1->info->features & VSP1_HAS_LIF && !vsp1->info->uapi) {
- vsp1->lif = vsp1_lif_create(vsp1);
- if (IS_ERR(vsp1->lif)) {
- ret = PTR_ERR(vsp1->lif);
- goto done;
- }
-
- list_add_tail(&vsp1->lif->entity.list_dev, &vsp1->entities);
- }
-
- if (vsp1->info->features & 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->info->features & 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->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);
- wpf->entity.sink = &video->video.entity;
- }
- }
-
- /* 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. */
- if (vsp1->info->uapi)
- ret = vsp1_uapi_create_links(vsp1);
- else
- ret = vsp1_drm_create_links(vsp1);
- if (ret < 0)
- goto done;
-
- /*
- * Register subdev nodes if the userspace API is enabled or initialize
- * the DRM pipeline otherwise.
- */
- if (vsp1->info->uapi) {
- 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);
-
- 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);
-
- 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);
- return ret < 0 ? ret : 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);
-
- vsp1_pipelines_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);
- vsp1_pipelines_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_LIF
- | VSP1_HAS_LUT,
- .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
- | VSP1_HAS_LIF,
- .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_VSPD_GEN3,
- .model = "VSP2-D",
- .gen = 3,
- .features = VSP1_HAS_BRU | VSP1_HAS_LIF | VSP1_HAS_WPF_VFLIP,
- .rpf_count = 5,
- .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 = pm_runtime_get_sync(&pdev->dev);
- if (ret < 0)
- goto done;
-
- vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION);
- pm_runtime_put_sync(&pdev->dev);
-
- 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);
-
- /* Instanciate 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);
-
- 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");
generated by cgit (git 2.34.1) at 2025-12-26 06:11:13 +0000