1 files changed, 204 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h
new file mode 100644
index 000000000..f5677dbb4
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h
@@ -0,0 +1,204 @@
+/*
+ * 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
+ *
+ */
+
+#ifndef __DAL_DCHUBBUB_H__
+#define __DAL_DCHUBBUB_H__
+
+
+enum dcc_control {
+	dcc_control__256_256_xxx,
+	dcc_control__128_128_xxx,
+	dcc_control__256_64_64,
+	dcc_control__256_128_128,
+};
+
+enum segment_order {
+	segment_order__na,
+	segment_order__contiguous,
+	segment_order__non_contiguous,
+};
+
+struct dcn_hubbub_wm_set {
+	uint32_t wm_set;
+	uint32_t data_urgent;
+	uint32_t pte_meta_urgent;
+	uint32_t sr_enter;
+	uint32_t sr_exit;
+	uint32_t dram_clk_change;
+	uint32_t usr_retrain;
+	uint32_t fclk_pstate_change;
+	uint32_t sr_enter_exit_Z8;
+	uint32_t sr_enter_Z8;
+};
+
+struct dcn_hubbub_wm {
+	struct dcn_hubbub_wm_set sets[4];
+};
+
+enum dcn_hubbub_page_table_depth {
+	DCN_PAGE_TABLE_DEPTH_1_LEVEL,
+	DCN_PAGE_TABLE_DEPTH_2_LEVEL,
+	DCN_PAGE_TABLE_DEPTH_3_LEVEL,
+	DCN_PAGE_TABLE_DEPTH_4_LEVEL
+};
+
+enum dcn_hubbub_page_table_block_size {
+	DCN_PAGE_TABLE_BLOCK_SIZE_4KB = 0,
+	DCN_PAGE_TABLE_BLOCK_SIZE_64KB = 4,
+	DCN_PAGE_TABLE_BLOCK_SIZE_32KB = 3
+};
+
+struct dcn_hubbub_phys_addr_config {
+	struct {
+		uint64_t fb_top;
+		uint64_t fb_offset;
+		uint64_t fb_base;
+		uint64_t agp_top;
+		uint64_t agp_bot;
+		uint64_t agp_base;
+	} system_aperture;
+
+	struct {
+		uint64_t page_table_start_addr;
+		uint64_t page_table_end_addr;
+		uint64_t page_table_base_addr;
+	} gart_config;
+
+	uint64_t page_table_default_page_addr;
+};
+
+struct dcn_hubbub_virt_addr_config {
+	uint64_t				page_table_start_addr;
+	uint64_t				page_table_end_addr;
+	enum dcn_hubbub_page_table_block_size	page_table_block_size;
+	enum dcn_hubbub_page_table_depth	page_table_depth;
+	uint64_t				page_table_base_addr;
+};
+
+struct hubbub_addr_config {
+	struct dcn_hubbub_phys_addr_config pa_config;
+	struct dcn_hubbub_virt_addr_config va_config;
+	struct {
+		uint64_t aperture_check_fault;
+		uint64_t generic_fault;
+	} default_addrs;
+};
+
+struct dcn_hubbub_state {
+	uint32_t vm_fault_addr_msb;
+	uint32_t vm_fault_addr_lsb;
+	uint32_t vm_error_status;
+	uint32_t vm_error_vmid;
+	uint32_t vm_error_pipe;
+	uint32_t vm_error_mode;
+	uint32_t test_debug_data;
+	uint32_t watermark_change_cntl;
+	uint32_t dram_state_cntl;
+};
+
+struct hubbub_funcs {
+	void (*update_dchub)(
+			struct hubbub *hubbub,
+			struct dchub_init_data *dh_data);
+
+	int (*init_dchub_sys_ctx)(
+			struct hubbub *hubbub,
+			struct dcn_hubbub_phys_addr_config *pa_config);
+	void (*init_vm_ctx)(
+			struct hubbub *hubbub,
+			struct dcn_hubbub_virt_addr_config *va_config,
+			int vmid);
+
+	bool (*get_dcc_compression_cap)(struct hubbub *hubbub,
+			const struct dc_dcc_surface_param *input,
+			struct dc_surface_dcc_cap *output);
+
+	bool (*dcc_support_swizzle)(
+			enum swizzle_mode_values swizzle,
+			unsigned int bytes_per_element,
+			enum segment_order *segment_order_horz,
+			enum segment_order *segment_order_vert);
+
+	bool (*dcc_support_pixel_format)(
+			enum surface_pixel_format format,
+			unsigned int *bytes_per_element);
+
+	void (*wm_read_state)(struct hubbub *hubbub,
+			struct dcn_hubbub_wm *wm);
+
+	void (*get_dchub_ref_freq)(struct hubbub *hubbub,
+			unsigned int dccg_ref_freq_inKhz,
+			unsigned int *dchub_ref_freq_inKhz);
+
+	bool (*program_watermarks)(
+			struct hubbub *hubbub,
+			struct dcn_watermark_set *watermarks,
+			unsigned int refclk_mhz,
+			bool safe_to_lower);
+
+	bool (*is_allow_self_refresh_enabled)(struct hubbub *hubbub);
+	void (*allow_self_refresh_control)(struct hubbub *hubbub, bool allow);
+
+	bool (*verify_allow_pstate_change_high)(struct hubbub *hubbub);
+
+	void (*apply_DEDCN21_147_wa)(struct hubbub *hubbub);
+
+	void (*force_wm_propagate_to_pipes)(struct hubbub *hubbub);
+
+	void (*hubbub_read_state)(struct hubbub *hubbub, struct dcn_hubbub_state *hubbub_state);
+
+	void (*force_pstate_change_control)(struct hubbub *hubbub, bool force, bool allow);
+
+	void (*init_watermarks)(struct hubbub *hubbub);
+
+	/**
+	 * @program_det_size:
+	 *
+	 * DE-Tile buffers (DET) is a memory that is used to convert the tiled
+	 * data into linear, which the rest of the display can use to generate
+	 * the graphics output. One of the main features of this component is
+	 * that each pipe has a configurable DET buffer which means that when a
+	 * pipe is not enabled, the device can assign the memory to other
+	 * enabled pipes to try to be more efficient.
+	 *
+	 * DET logic is handled by dchubbub. Some ASICs provide a feature named
+	 * Configurable Return Buffer (CRB) segments which can be allocated to
+	 * compressed or detiled buffers.
+	 */
+	void (*program_det_size)(struct hubbub *hubbub, int hubp_inst, unsigned det_buffer_size_in_kbyte);
+	void (*program_compbuf_size)(struct hubbub *hubbub, unsigned compbuf_size_kb, bool safe_to_increase);
+	void (*init_crb)(struct hubbub *hubbub);
+	void (*force_usr_retraining_allow)(struct hubbub *hubbub, bool allow);
+	void (*set_request_limit)(struct hubbub *hubbub, int memory_channel_count, int words_per_channel);
+	void (*dchubbub_init)(struct hubbub *hubbub);
+};
+
+struct hubbub {
+	const struct hubbub_funcs *funcs;
+	struct dc_context *ctx;
+	bool riommu_active;
+};
+
+#endif