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/*
* Copyright 2012-15 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "dm_services.h"
#include "include/irq_service_interface.h"
#include "include/logger_interface.h"
#include "dce110/irq_service_dce110.h"
#include "dce80/irq_service_dce80.h"
#if defined(CONFIG_DRM_AMD_DC_DCE12_0)
#include "dce120/irq_service_dce120.h"
#endif
#include "reg_helper.h"
#include "irq_service.h"
#define CTX \
irq_service->ctx
bool dal_irq_service_construct(
struct irq_service *irq_service,
struct irq_service_init_data *init_data)
{
if (!init_data || !init_data->ctx)
return false;
irq_service->ctx = init_data->ctx;
return true;
}
void dal_irq_service_destroy(struct irq_service **irq_service)
{
if (!irq_service || !*irq_service) {
BREAK_TO_DEBUGGER();
return;
}
dm_free(*irq_service);
*irq_service = NULL;
}
const struct irq_source_info *find_irq_source_info(
struct irq_service *irq_service,
enum dc_irq_source source)
{
if (source > DAL_IRQ_SOURCES_NUMBER || source < DC_IRQ_SOURCE_INVALID)
return NULL;
return &irq_service->info[source];
}
void dal_irq_service_set_generic(
struct irq_service *irq_service,
const struct irq_source_info *info,
bool enable)
{
uint32_t addr = info->enable_reg;
uint32_t value = dm_read_reg(irq_service->ctx, addr);
value = (value & ~info->enable_mask) |
(info->enable_value[enable ? 0 : 1] & info->enable_mask);
dm_write_reg(irq_service->ctx, addr, value);
}
bool dal_irq_service_set(
struct irq_service *irq_service,
enum dc_irq_source source,
bool enable)
{
const struct irq_source_info *info =
find_irq_source_info(irq_service, source);
if (!info) {
dm_logger_write(
irq_service->ctx->logger, LOG_ERROR,
"%s: cannot find irq info table entry for %d\n",
__func__,
source);
return false;
}
dal_irq_service_ack(irq_service, source);
if (info->funcs->set)
return info->funcs->set(irq_service, info, enable);
dal_irq_service_set_generic(irq_service, info, enable);
return true;
}
void dal_irq_service_ack_generic(
struct irq_service *irq_service,
const struct irq_source_info *info)
{
uint32_t addr = info->ack_reg;
uint32_t value = dm_read_reg(irq_service->ctx, addr);
value = (value & ~info->ack_mask) |
(info->ack_value & info->ack_mask);
dm_write_reg(irq_service->ctx, addr, value);
}
bool dal_irq_service_ack(
struct irq_service *irq_service,
enum dc_irq_source source)
{
const struct irq_source_info *info =
find_irq_source_info(irq_service, source);
if (!info) {
dm_logger_write(
irq_service->ctx->logger, LOG_ERROR,
"%s: cannot find irq info table entry for %d\n",
__func__,
source);
return false;
}
if (info->funcs->ack)
return info->funcs->ack(irq_service, info);
dal_irq_service_ack_generic(irq_service, info);
return true;
}
enum dc_irq_source dal_irq_service_to_irq_source(
struct irq_service *irq_service,
uint32_t src_id,
uint32_t ext_id)
{
return irq_service->funcs->to_dal_irq_source(
irq_service,
src_id,
ext_id);
}
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