1 files changed, 310 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dm_services.h b/drivers/gpu/drm/amd/display/dc/dm_services.h
new file mode 100644
index 000000000..fdd1943c8
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dm_services.h
@@ -0,0 +1,310 @@
+/*
+ * Copyright 2015 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
+ *
+ */
+
+/**
+ * This file defines external dependencies of Display Core.
+ */
+
+#ifndef __DM_SERVICES_H__
+
+#define __DM_SERVICES_H__
+
+#include "amdgpu_dm_trace.h"
+
+/* TODO: remove when DC is complete. */
+#include "dm_services_types.h"
+#include "logger_interface.h"
+#include "link_service_types.h"
+
+#undef DEPRECATED
+
+struct dmub_srv;
+struct dc_dmub_srv;
+
+irq_handler_idx dm_register_interrupt(
+	struct dc_context *ctx,
+	struct dc_interrupt_params *int_params,
+	interrupt_handler ih,
+	void *handler_args);
+
+
+/*
+ *
+ * GPU registers access
+ *
+ */
+uint32_t dm_read_reg_func(
+	const struct dc_context *ctx,
+	uint32_t address,
+	const char *func_name);
+/* enable for debugging new code, this adds 50k to the driver size. */
+/* #define DM_CHECK_ADDR_0 */
+
+#define dm_read_reg(ctx, address)	\
+		dm_read_reg_func(ctx, address, __func__)
+
+
+
+#define dm_write_reg(ctx, address, value)	\
+	dm_write_reg_func(ctx, address, value, __func__)
+
+static inline void dm_write_reg_func(
+	const struct dc_context *ctx,
+	uint32_t address,
+	uint32_t value,
+	const char *func_name)
+{
+#ifdef DM_CHECK_ADDR_0
+	if (address == 0) {
+		DC_ERR("invalid register write. address = 0");
+		return;
+	}
+#endif
+	cgs_write_register(ctx->cgs_device, address, value);
+	trace_amdgpu_dc_wreg(&ctx->perf_trace->write_count, address, value);
+}
+
+static inline uint32_t dm_read_index_reg(
+	const struct dc_context *ctx,
+	enum cgs_ind_reg addr_space,
+	uint32_t index)
+{
+	return cgs_read_ind_register(ctx->cgs_device, addr_space, index);
+}
+
+static inline void dm_write_index_reg(
+	const struct dc_context *ctx,
+	enum cgs_ind_reg addr_space,
+	uint32_t index,
+	uint32_t value)
+{
+	cgs_write_ind_register(ctx->cgs_device, addr_space, index, value);
+}
+
+static inline uint32_t get_reg_field_value_ex(
+	uint32_t reg_value,
+	uint32_t mask,
+	uint8_t shift)
+{
+	return (mask & reg_value) >> shift;
+}
+
+#define get_reg_field_value(reg_value, reg_name, reg_field)\
+	get_reg_field_value_ex(\
+		(reg_value),\
+		reg_name ## __ ## reg_field ## _MASK,\
+		reg_name ## __ ## reg_field ## __SHIFT)
+
+static inline uint32_t set_reg_field_value_ex(
+	uint32_t reg_value,
+	uint32_t value,
+	uint32_t mask,
+	uint8_t shift)
+{
+	ASSERT(mask != 0);
+	return (reg_value & ~mask) | (mask & (value << shift));
+}
+
+#define set_reg_field_value(reg_value, value, reg_name, reg_field)\
+	(reg_value) = set_reg_field_value_ex(\
+		(reg_value),\
+		(value),\
+		reg_name ## __ ## reg_field ## _MASK,\
+		reg_name ## __ ## reg_field ## __SHIFT)
+
+uint32_t generic_reg_set_ex(const struct dc_context *ctx,
+		uint32_t addr, uint32_t reg_val, int n,
+		uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...);
+
+uint32_t generic_reg_update_ex(const struct dc_context *ctx,
+		uint32_t addr, int n,
+		uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...);
+
+struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub);
+void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv);
+
+void reg_sequence_start_gather(const struct dc_context *ctx);
+void reg_sequence_start_execute(const struct dc_context *ctx);
+void reg_sequence_wait_done(const struct dc_context *ctx);
+
+#define FD(reg_field)	reg_field ## __SHIFT, \
+						reg_field ## _MASK
+
+/*
+ * return number of poll before condition is met
+ * return 0 if condition is not meet after specified time out tries
+ */
+void generic_reg_wait(const struct dc_context *ctx,
+	uint32_t addr, uint32_t mask, uint32_t shift, uint32_t condition_value,
+	unsigned int delay_between_poll_us, unsigned int time_out_num_tries,
+	const char *func_name, int line);
+
+unsigned int snprintf_count(char *pBuf, unsigned int bufSize, char *fmt, ...);
+
+/* These macros need to be used with soc15 registers in order to retrieve
+ * the actual offset.
+ */
+#define dm_write_reg_soc15(ctx, reg, inst_offset, value)	\
+		dm_write_reg_func(ctx, reg + DCE_BASE.instance[0].segment[reg##_BASE_IDX] + inst_offset, value, __func__)
+
+#define dm_read_reg_soc15(ctx, reg, inst_offset)	\
+		dm_read_reg_func(ctx, reg + DCE_BASE.instance[0].segment[reg##_BASE_IDX] + inst_offset, __func__)
+
+#define generic_reg_update_soc15(ctx, inst_offset, reg_name, n, ...)\
+		generic_reg_update_ex(ctx, DCE_BASE.instance[0].segment[mm##reg_name##_BASE_IDX] +  mm##reg_name + inst_offset, \
+		n, __VA_ARGS__)
+
+#define generic_reg_set_soc15(ctx, inst_offset, reg_name, n, ...)\
+		generic_reg_set_ex(ctx, DCE_BASE.instance[0].segment[mm##reg_name##_BASE_IDX] + mm##reg_name + inst_offset, 0, \
+		n, __VA_ARGS__)
+
+#define get_reg_field_value_soc15(reg_value, block, reg_num, reg_name, reg_field)\
+	get_reg_field_value_ex(\
+		(reg_value),\
+		block ## reg_num ## _ ## reg_name ## __ ## reg_field ## _MASK,\
+		block ## reg_num ## _ ## reg_name ## __ ## reg_field ## __SHIFT)
+
+#define set_reg_field_value_soc15(reg_value, value, block, reg_num, reg_name, reg_field)\
+	(reg_value) = set_reg_field_value_ex(\
+		(reg_value),\
+		(value),\
+		block ## reg_num ## _ ## reg_name ## __ ## reg_field ## _MASK,\
+		block ## reg_num ## _ ## reg_name ## __ ## reg_field ## __SHIFT)
+
+/**************************************
+ * Power Play (PP) interfaces
+ **************************************/
+
+/* Gets valid clocks levels from pplib
+ *
+ * input: clk_type - display clk / sclk / mem clk
+ *
+ * output: array of valid clock levels for given type in ascending order,
+ * with invalid levels filtered out
+ *
+ */
+bool dm_pp_get_clock_levels_by_type(
+	const struct dc_context *ctx,
+	enum dm_pp_clock_type clk_type,
+	struct dm_pp_clock_levels *clk_level_info);
+
+bool dm_pp_get_clock_levels_by_type_with_latency(
+	const struct dc_context *ctx,
+	enum dm_pp_clock_type clk_type,
+	struct dm_pp_clock_levels_with_latency *clk_level_info);
+
+bool dm_pp_get_clock_levels_by_type_with_voltage(
+	const struct dc_context *ctx,
+	enum dm_pp_clock_type clk_type,
+	struct dm_pp_clock_levels_with_voltage *clk_level_info);
+
+bool dm_pp_notify_wm_clock_changes(
+	const struct dc_context *ctx,
+	struct dm_pp_wm_sets_with_clock_ranges *wm_with_clock_ranges);
+
+void dm_pp_get_funcs(struct dc_context *ctx,
+		struct pp_smu_funcs *funcs);
+
+/* DAL calls this function to notify PP about completion of Mode Set.
+ * For PP it means that current DCE clocks are those which were returned
+ * by dc_service_pp_pre_dce_clock_change(), in the 'output' parameter.
+ *
+ * If the clocks are higher than before, then PP does nothing.
+ *
+ * If the clocks are lower than before, then PP reduces the voltage.
+ *
+ * \returns	true - call is successful
+ *		false - call failed
+ */
+bool dm_pp_apply_display_requirements(
+	const struct dc_context *ctx,
+	const struct dm_pp_display_configuration *pp_display_cfg);
+
+bool dm_pp_apply_power_level_change_request(
+	const struct dc_context *ctx,
+	struct dm_pp_power_level_change_request *level_change_req);
+
+bool dm_pp_apply_clock_for_voltage_request(
+	const struct dc_context *ctx,
+	struct dm_pp_clock_for_voltage_req *clock_for_voltage_req);
+
+bool dm_pp_get_static_clocks(
+	const struct dc_context *ctx,
+	struct dm_pp_static_clock_info *static_clk_info);
+
+/****** end of PP interfaces ******/
+
+struct persistent_data_flag {
+	bool save_per_link;
+	bool save_per_edid;
+};
+
+bool dm_query_extended_brightness_caps
+	(struct dc_context *ctx, enum dm_acpi_display_type display,
+			struct dm_acpi_atif_backlight_caps *pCaps);
+
+bool dm_dmcu_set_pipe(struct dc_context *ctx, unsigned int controller_id);
+
+/*
+ *
+ * print-out services
+ *
+ */
+#define dm_log_to_buffer(buffer, size, fmt, args)\
+	vsnprintf(buffer, size, fmt, args)
+
+static inline unsigned long long dm_get_timestamp(struct dc_context *ctx)
+{
+	return ktime_get_raw_ns();
+}
+
+unsigned long long dm_get_elapse_time_in_ns(struct dc_context *ctx,
+		unsigned long long current_time_stamp,
+		unsigned long long last_time_stamp);
+
+/*
+ * performance tracing
+ */
+#define PERF_TRACE()	trace_amdgpu_dc_performance(CTX->perf_trace->read_count,\
+		CTX->perf_trace->write_count, &CTX->perf_trace->last_entry_read,\
+		&CTX->perf_trace->last_entry_write, __func__, __LINE__)
+#define PERF_TRACE_CTX(__CTX)	trace_amdgpu_dc_performance(__CTX->perf_trace->read_count,\
+		__CTX->perf_trace->write_count, &__CTX->perf_trace->last_entry_read,\
+		&__CTX->perf_trace->last_entry_write, __func__, __LINE__)
+
+
+/*
+ * Debug and verification hooks
+ */
+
+void dm_dtn_log_begin(struct dc_context *ctx,
+	struct dc_log_buffer_ctx *log_ctx);
+void dm_dtn_log_append_v(struct dc_context *ctx,
+	struct dc_log_buffer_ctx *log_ctx,
+	const char *msg, ...);
+void dm_dtn_log_end(struct dc_context *ctx,
+	struct dc_log_buffer_ctx *log_ctx);
+
+#endif /* __DM_SERVICES_H__ */