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// SPDX-License-Identifier: GPL-2.0
/*
* (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
* Author: James.Qian.Wang <james.qian.wang@arm.com>
*
*/
#include <drm/drm_print.h>
#include "komeda_dev.h"
#include "komeda_pipeline.h"
/** komeda_pipeline_add - Add a pipeline to &komeda_dev */
struct komeda_pipeline *
komeda_pipeline_add(struct komeda_dev *mdev, size_t size,
struct komeda_pipeline_funcs *funcs)
{
struct komeda_pipeline *pipe;
if (mdev->n_pipelines + 1 > KOMEDA_MAX_PIPELINES) {
DRM_ERROR("Exceed max support %d pipelines.\n",
KOMEDA_MAX_PIPELINES);
return NULL;
}
if (size < sizeof(*pipe)) {
DRM_ERROR("Request pipeline size too small.\n");
return NULL;
}
pipe = devm_kzalloc(mdev->dev, size, GFP_KERNEL);
if (!pipe)
return NULL;
pipe->mdev = mdev;
pipe->id = mdev->n_pipelines;
pipe->funcs = funcs;
mdev->pipelines[mdev->n_pipelines] = pipe;
mdev->n_pipelines++;
return pipe;
}
void komeda_pipeline_destroy(struct komeda_dev *mdev,
struct komeda_pipeline *pipe)
{
struct komeda_component *c;
int i;
dp_for_each_set_bit(i, pipe->avail_comps) {
c = komeda_pipeline_get_component(pipe, i);
komeda_component_destroy(mdev, c);
}
clk_put(pipe->pxlclk);
clk_put(pipe->aclk);
of_node_put(pipe->of_output_dev);
of_node_put(pipe->of_output_port);
of_node_put(pipe->of_node);
devm_kfree(mdev->dev, pipe);
}
struct komeda_component **
komeda_pipeline_get_component_pos(struct komeda_pipeline *pipe, int id)
{
struct komeda_dev *mdev = pipe->mdev;
struct komeda_pipeline *temp = NULL;
struct komeda_component **pos = NULL;
switch (id) {
case KOMEDA_COMPONENT_LAYER0:
case KOMEDA_COMPONENT_LAYER1:
case KOMEDA_COMPONENT_LAYER2:
case KOMEDA_COMPONENT_LAYER3:
pos = to_cpos(pipe->layers[id - KOMEDA_COMPONENT_LAYER0]);
break;
case KOMEDA_COMPONENT_WB_LAYER:
pos = to_cpos(pipe->wb_layer);
break;
case KOMEDA_COMPONENT_COMPIZ0:
case KOMEDA_COMPONENT_COMPIZ1:
temp = mdev->pipelines[id - KOMEDA_COMPONENT_COMPIZ0];
if (!temp) {
DRM_ERROR("compiz-%d doesn't exist.\n", id);
return NULL;
}
pos = to_cpos(temp->compiz);
break;
case KOMEDA_COMPONENT_SCALER0:
case KOMEDA_COMPONENT_SCALER1:
pos = to_cpos(pipe->scalers[id - KOMEDA_COMPONENT_SCALER0]);
break;
case KOMEDA_COMPONENT_IPS0:
case KOMEDA_COMPONENT_IPS1:
temp = mdev->pipelines[id - KOMEDA_COMPONENT_IPS0];
if (!temp) {
DRM_ERROR("ips-%d doesn't exist.\n", id);
return NULL;
}
pos = to_cpos(temp->improc);
break;
case KOMEDA_COMPONENT_TIMING_CTRLR:
pos = to_cpos(pipe->ctrlr);
break;
default:
pos = NULL;
DRM_ERROR("Unknown pipeline resource ID: %d.\n", id);
break;
}
return pos;
}
struct komeda_component *
komeda_pipeline_get_component(struct komeda_pipeline *pipe, int id)
{
struct komeda_component **pos = NULL;
struct komeda_component *c = NULL;
pos = komeda_pipeline_get_component_pos(pipe, id);
if (pos)
c = *pos;
return c;
}
/** komeda_component_add - Add a component to &komeda_pipeline */
struct komeda_component *
komeda_component_add(struct komeda_pipeline *pipe,
size_t comp_sz, u32 id, u32 hw_id,
struct komeda_component_funcs *funcs,
u8 max_active_inputs, u32 supported_inputs,
u8 max_active_outputs, u32 __iomem *reg,
const char *name_fmt, ...)
{
struct komeda_component **pos;
struct komeda_component *c;
int idx, *num = NULL;
if (max_active_inputs > KOMEDA_COMPONENT_N_INPUTS) {
WARN(1, "please large KOMEDA_COMPONENT_N_INPUTS to %d.\n",
max_active_inputs);
return NULL;
}
pos = komeda_pipeline_get_component_pos(pipe, id);
if (!pos || (*pos))
return NULL;
if (has_bit(id, KOMEDA_PIPELINE_LAYERS)) {
idx = id - KOMEDA_COMPONENT_LAYER0;
num = &pipe->n_layers;
if (idx != pipe->n_layers) {
DRM_ERROR("please add Layer by id sequence.\n");
return NULL;
}
} else if (has_bit(id, KOMEDA_PIPELINE_SCALERS)) {
idx = id - KOMEDA_COMPONENT_SCALER0;
num = &pipe->n_scalers;
if (idx != pipe->n_scalers) {
DRM_ERROR("please add Scaler by id sequence.\n");
return NULL;
}
}
c = devm_kzalloc(pipe->mdev->dev, comp_sz, GFP_KERNEL);
if (!c)
return NULL;
c->id = id;
c->hw_id = hw_id;
c->reg = reg;
c->pipeline = pipe;
c->max_active_inputs = max_active_inputs;
c->max_active_outputs = max_active_outputs;
c->supported_inputs = supported_inputs;
c->funcs = funcs;
if (name_fmt) {
va_list args;
va_start(args, name_fmt);
vsnprintf(c->name, sizeof(c->name), name_fmt, args);
va_end(args);
}
if (num)
*num = *num + 1;
pipe->avail_comps |= BIT(c->id);
*pos = c;
return c;
}
void komeda_component_destroy(struct komeda_dev *mdev,
struct komeda_component *c)
{
devm_kfree(mdev->dev, c);
}
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