Merge branch 'fix/intel' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel

1 files changed, 170 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
new file mode 100644
index 000000000000..b106513fc2dc
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
@@ -0,0 +1,170 @@
+/*
+ * 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"
+
+#include "dce120/irq_service_dce120.h"
+
+
+#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
+#include "dcn10/irq_service_dcn10.h"
+#endif
+
+#include "reg_helper.h"
+#include "irq_service.h"
+
+
+
+#define CTX \
+		irq_service->ctx
+
+void dal_irq_service_construct(
+	struct irq_service *irq_service,
+	struct irq_service_init_data *init_data)
+{
+	if (!init_data || !init_data->ctx) {
+		BREAK_TO_DEBUGGER();
+		return;
+	}
+
+	irq_service->ctx = init_data->ctx;
+}
+
+void dal_irq_service_destroy(struct irq_service **irq_service)
+{
+	if (!irq_service || !*irq_service) {
+		BREAK_TO_DEBUGGER();
+		return;
+	}
+
+	kfree(*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);
+}