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

1 files changed, 182 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/inc/clock_source.h b/drivers/gpu/drm/amd/display/dc/inc/clock_source.h
new file mode 100644
index 000000000000..ebcf67b5fc57
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/clock_source.h
@@ -0,0 +1,182 @@
+/*
+ * 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 __DC_CLOCK_SOURCE_H__
+#define __DC_CLOCK_SOURCE_H__
+
+#include "dc_types.h"
+#include "include/grph_object_id.h"
+#include "include/bios_parser_types.h"
+
+struct clock_source;
+
+struct spread_spectrum_data {
+	uint32_t percentage;		/*> In unit of 0.01% or 0.001%*/
+	uint32_t percentage_divider;	/*> 100 or 1000	*/
+	uint32_t freq_range_khz;
+	uint32_t modulation_freq_hz;
+
+	struct spread_spectrum_flags flags;
+};
+
+struct delta_sigma_data {
+	uint32_t feedback_amount;
+	uint32_t nfrac_amount;
+	uint32_t ds_frac_size;
+	uint32_t ds_frac_amount;
+};
+
+/**
+ *  Pixel Clock Parameters structure
+ *  These parameters are required as input
+ *  when calculating Pixel Clock Dividers for requested Pixel Clock
+ */
+struct pixel_clk_flags {
+	uint32_t ENABLE_SS:1;
+	uint32_t DISPLAY_BLANKED:1;
+	uint32_t PROGRAM_PIXEL_CLOCK:1;
+	uint32_t PROGRAM_ID_CLOCK:1;
+	uint32_t SUPPORT_YCBCR420:1;
+};
+
+/**
+ *  Display Port HW De spread of Reference Clock related Parameters structure
+ *  Store it once at boot for later usage
+  */
+struct csdp_ref_clk_ds_params {
+	bool hw_dso_n_dp_ref_clk;
+/* Flag for HW De Spread enabled (if enabled SS on DP Reference Clock)*/
+	uint32_t avg_dp_ref_clk_khz;
+/* Average DP Reference clock (in KHz)*/
+	uint32_t ss_percentage_on_dp_ref_clk;
+/* DP Reference clock SS percentage
+ * (not to be mixed with DP IDCLK SS from PLL Settings)*/
+	uint32_t ss_percentage_divider;
+/* DP Reference clock SS percentage divider */
+};
+
+struct pixel_clk_params {
+	uint32_t requested_pix_clk; /* in KHz */
+/*> Requested Pixel Clock
+ * (based on Video Timing standard used for requested mode)*/
+	uint32_t requested_sym_clk; /* in KHz */
+/*> Requested Sym Clock (relevant only for display port)*/
+	uint32_t dp_ref_clk; /* in KHz */
+/*> DP reference clock - calculated only for DP signal for specific cases*/
+	struct graphics_object_id encoder_object_id;
+/*> Encoder object Id - needed by VBIOS Exec table*/
+	enum signal_type signal_type;
+/*> signalType -> Encoder Mode - needed by VBIOS Exec table*/
+	enum controller_id controller_id;
+/*> ControllerId - which controller using this PLL*/
+	enum dc_color_depth color_depth;
+	struct csdp_ref_clk_ds_params de_spread_params;
+/*> de-spread info, relevant only for on-the-fly tune-up pixel rate*/
+	enum dc_pixel_encoding pixel_encoding;
+	struct pixel_clk_flags flags;
+};
+
+/**
+ *  Pixel Clock Dividers structure with desired Pixel Clock
+ *  (adjusted after VBIOS exec table),
+ *  with actually calculated Clock and reference Crystal frequency
+ */
+struct pll_settings {
+	uint32_t actual_pix_clk;
+	uint32_t adjusted_pix_clk;
+	uint32_t calculated_pix_clk;
+	uint32_t vco_freq;
+	uint32_t reference_freq;
+	uint32_t reference_divider;
+	uint32_t feedback_divider;
+	uint32_t fract_feedback_divider;
+	uint32_t pix_clk_post_divider;
+	uint32_t ss_percentage;
+	bool use_external_clk;
+};
+
+struct calc_pll_clock_source_init_data {
+	struct dc_bios *bp;
+	uint32_t min_pix_clk_pll_post_divider;
+	uint32_t max_pix_clk_pll_post_divider;
+	uint32_t min_pll_ref_divider;
+	uint32_t max_pll_ref_divider;
+	uint32_t min_override_input_pxl_clk_pll_freq_khz;
+/* if not 0, override the firmware info */
+
+	uint32_t max_override_input_pxl_clk_pll_freq_khz;
+/* if not 0, override the firmware info */
+
+	uint32_t num_fract_fb_divider_decimal_point;
+/* number of decimal point for fractional feedback divider value */
+
+	uint32_t num_fract_fb_divider_decimal_point_precision;
+/* number of decimal point to round off for fractional feedback divider value*/
+	struct dc_context *ctx;
+
+};
+
+struct calc_pll_clock_source {
+	uint32_t ref_freq_khz;
+	uint32_t min_pix_clock_pll_post_divider;
+	uint32_t max_pix_clock_pll_post_divider;
+	uint32_t min_pll_ref_divider;
+	uint32_t max_pll_ref_divider;
+
+	uint32_t max_vco_khz;
+	uint32_t min_vco_khz;
+	uint32_t min_pll_input_freq_khz;
+	uint32_t max_pll_input_freq_khz;
+
+	uint32_t fract_fb_divider_decimal_points_num;
+	uint32_t fract_fb_divider_factor;
+	uint32_t fract_fb_divider_precision;
+	uint32_t fract_fb_divider_precision_factor;
+	struct dc_context *ctx;
+};
+
+struct clock_source_funcs {
+	bool (*cs_power_down)(
+			struct clock_source *);
+	bool (*program_pix_clk)(struct clock_source *,
+			struct pixel_clk_params *, struct pll_settings *);
+	uint32_t (*get_pix_clk_dividers)(
+			struct clock_source *,
+			struct pixel_clk_params *,
+			struct pll_settings *);
+	uint32_t (*get_pix_rate_in_hz)(
+			struct clock_source *,
+			struct pixel_clk_params *,
+			struct pll_settings *);
+};
+
+struct clock_source {
+	const struct clock_source_funcs *funcs;
+	struct dc_context *ctx;
+	enum clock_source_id id;
+	bool dp_clk_src;
+};
+
+#endif