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path: root/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.h
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.h
new file mode 100644
index 000000000000..f3bc7ab68aab
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.h
@@ -0,0 +1,81 @@
+/*
+ * 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_CLK_MGR_H_
+#define _DCE_CLK_MGR_H_
+
+#include "dc.h"
+
+/* Starting DID for each range */
+enum dentist_base_divider_id {
+ DENTIST_BASE_DID_1 = 0x08,
+ DENTIST_BASE_DID_2 = 0x40,
+ DENTIST_BASE_DID_3 = 0x60,
+ DENTIST_BASE_DID_4 = 0x7e,
+ DENTIST_MAX_DID = 0x7f
+};
+
+/* Starting point and step size for each divider range.*/
+enum dentist_divider_range {
+ DENTIST_DIVIDER_RANGE_1_START = 8, /* 2.00 */
+ DENTIST_DIVIDER_RANGE_1_STEP = 1, /* 0.25 */
+ DENTIST_DIVIDER_RANGE_2_START = 64, /* 16.00 */
+ DENTIST_DIVIDER_RANGE_2_STEP = 2, /* 0.50 */
+ DENTIST_DIVIDER_RANGE_3_START = 128, /* 32.00 */
+ DENTIST_DIVIDER_RANGE_3_STEP = 4, /* 1.00 */
+ DENTIST_DIVIDER_RANGE_4_START = 248, /* 62.00 */
+ DENTIST_DIVIDER_RANGE_4_STEP = 264, /* 66.00 */
+ DENTIST_DIVIDER_RANGE_SCALE_FACTOR = 4
+};
+
+/* functions shared by other dce clk mgrs */
+int dce_adjust_dp_ref_freq_for_ss(struct clk_mgr_internal *clk_mgr_dce, int dp_ref_clk_khz);
+int dce_get_dp_ref_freq_khz(struct clk_mgr *clk_mgr_base);
+enum dm_pp_clocks_state dce_get_required_clocks_state(
+ struct clk_mgr *clk_mgr_base,
+ struct dc_state *context);
+
+uint32_t dce_get_max_pixel_clock_for_all_paths(struct dc_state *context);
+
+
+void dce_clk_mgr_construct(
+ struct dc_context *ctx,
+ struct clk_mgr_internal *clk_mgr_dce);
+
+void dce_clock_read_ss_info(struct clk_mgr_internal *dccg_dce);
+
+int dce12_get_dp_ref_freq_khz(struct clk_mgr *dccg);
+
+int dce_set_clock(
+ struct clk_mgr *clk_mgr_base,
+ int requested_clk_khz);
+
+
+void dce_clk_mgr_destroy(struct clk_mgr **clk_mgr);
+
+int dentist_get_divider_from_did(int did);
+
+#endif /* _DCE_CLK_MGR_H_ */