drm/amd/display: consolidate dce8-11.2 display clock code

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 133 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.h b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.h
new file mode 100644
index 000000000000..e3b23749f0a2
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2012-16 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 _DCE_CLOCKS_H_
+#define _DCE_CLOCKS_H_
+
+#include "display_clock_interface.h"
+#include "../gpu/divider_range.h"
+
+
+#define TO_DCE_CLOCKS(clocks)\
+	container_of(clocks, struct dce_disp_clk, base)
+
+#define CLK_COMMON_REG_LIST_DCE_BASE() \
+	.DPREFCLK_CNTL = mmDPREFCLK_CNTL, \
+	.DENTIST_DISPCLK_CNTL = mmDENTIST_DISPCLK_CNTL, \
+	.MASTER_COMM_DATA_REG1 = mmMASTER_COMM_DATA_REG1, \
+	.MASTER_COMM_CMD_REG = mmMASTER_COMM_CMD_REG, \
+	.MASTER_COMM_CNTL_REG = mmMASTER_COMM_CNTL_REG
+
+#define CLK_SF(reg_name, field_name, post_fix)\
+	.field_name = reg_name ## __ ## field_name ## post_fix
+
+#define CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) \
+	CLK_SF(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, mask_sh), \
+	CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, mask_sh), \
+	CLK_SF(MASTER_COMM_CMD_REG, MASTER_COMM_CMD_REG_BYTE0, mask_sh), \
+	CLK_SF(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, mask_sh)
+
+
+#define CLK_REG_FIELD_LIST(type) \
+	type DPREFCLK_SRC_SEL; \
+	type DENTIST_DPREFCLK_WDIVIDER; \
+	type MASTER_COMM_CMD_REG_BYTE0; \
+	type MASTER_COMM_INTERRUPT
+
+struct dce_disp_clk_shift {
+	CLK_REG_FIELD_LIST(uint8_t);
+};
+
+struct dce_disp_clk_mask {
+	CLK_REG_FIELD_LIST(uint32_t);
+};
+
+struct dce_disp_clk_registers {
+	uint32_t DPREFCLK_CNTL;
+	uint32_t DENTIST_DISPCLK_CNTL;
+	uint32_t MASTER_COMM_DATA_REG1;
+	uint32_t MASTER_COMM_CMD_REG;
+	uint32_t MASTER_COMM_CNTL_REG;
+};
+
+/* Array identifiers and count for the divider ranges.*/
+enum divider_range_count {
+	DIVIDER_RANGE_01 = 0,
+	DIVIDER_RANGE_02,
+	DIVIDER_RANGE_03,
+	DIVIDER_RANGE_MAX /* == 3*/
+};
+
+struct dce_disp_clk {
+	struct display_clock base;
+	const struct dce_disp_clk_registers *regs;
+	const struct dce_disp_clk_shift *clk_shift;
+	const struct dce_disp_clk_mask *clk_mask;
+
+	struct state_dependent_clocks max_clks_by_state[DM_PP_CLOCKS_MAX_STATES];
+	struct divider_range divider_ranges[DIVIDER_RANGE_MAX];
+
+	bool use_max_disp_clk;
+	uint32_t dentist_vco_freq_khz;
+
+	/* Cache the status of DFS-bypass feature*/
+	bool dfs_bypass_enabled;
+	/* Cache the display clock returned by VBIOS if DFS-bypass is enabled.
+	 * This is basically "Crystal Frequency In KHz" (XTALIN) frequency */
+	uint32_t dfs_bypass_disp_clk;
+
+	/* Flag for Enabled SS on GPU PLL */
+	bool ss_on_gpu_pll;
+	/* GPU PLL SS percentage (if down-spread enabled) */
+	uint32_t gpu_pll_ss_percentage;
+	/* GPU PLL SS percentage Divider (100 or 1000) */
+	uint32_t gpu_pll_ss_divider;
+
+
+};
+
+
+struct display_clock *dce_disp_clk_create(
+	struct dc_context *ctx,
+	const struct dce_disp_clk_registers *regs,
+	const struct dce_disp_clk_shift *clk_shift,
+	const struct dce_disp_clk_mask *clk_mask);
+
+struct display_clock *dce110_disp_clk_create(
+	struct dc_context *ctx,
+	const struct dce_disp_clk_registers *regs,
+	const struct dce_disp_clk_shift *clk_shift,
+	const struct dce_disp_clk_mask *clk_mask);
+
+struct display_clock *dce112_disp_clk_create(
+	struct dc_context *ctx,
+	const struct dce_disp_clk_registers *regs,
+	const struct dce_disp_clk_shift *clk_shift,
+	const struct dce_disp_clk_mask *clk_mask);
+
+void dce_disp_clk_destroy(struct display_clock **disp_clk);
+
+#endif /* _DCE_CLOCKS_H_ */