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/*
* 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.h"
#define CLK_COMMON_REG_LIST_DCE_BASE() \
.DPREFCLK_CNTL = mmDPREFCLK_CNTL, \
.DENTIST_DISPCLK_CNTL = mmDENTIST_DISPCLK_CNTL
#define CLK_COMMON_REG_LIST_DCN_BASE() \
SR(DENTIST_DISPCLK_CNTL)
#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)
#define CLK_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh) \
CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, mask_sh),\
CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, mask_sh)
#define CLK_REG_FIELD_LIST(type) \
type DPREFCLK_SRC_SEL; \
type DENTIST_DPREFCLK_WDIVIDER; \
type DENTIST_DISPCLK_WDIVIDER; \
type DENTIST_DISPCLK_CHG_DONE;
struct dccg_shift {
CLK_REG_FIELD_LIST(uint8_t)
};
struct dccg_mask {
CLK_REG_FIELD_LIST(uint32_t)
};
struct dccg_registers {
uint32_t DPREFCLK_CNTL;
uint32_t DENTIST_DISPCLK_CNTL;
};
struct dce_dccg {
struct dccg base;
const struct dccg_registers *regs;
const struct dccg_shift *clk_shift;
const struct dccg_mask *clk_mask;
struct state_dependent_clocks max_clks_by_state[DM_PP_CLOCKS_MAX_STATES];
int 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 */
int dfs_bypass_disp_clk;
/* Flag for Enabled SS on DPREFCLK */
bool ss_on_dprefclk;
/* DPREFCLK SS percentage (if down-spread enabled) */
int dprefclk_ss_percentage;
/* DPREFCLK SS percentage Divider (100 or 1000) */
int dprefclk_ss_divider;
};
struct dccg *dce_dccg_create(
struct dc_context *ctx,
const struct dccg_registers *regs,
const struct dccg_shift *clk_shift,
const struct dccg_mask *clk_mask);
struct dccg *dce110_dccg_create(
struct dc_context *ctx,
const struct dccg_registers *regs,
const struct dccg_shift *clk_shift,
const struct dccg_mask *clk_mask);
struct dccg *dce112_dccg_create(
struct dc_context *ctx,
const struct dccg_registers *regs,
const struct dccg_shift *clk_shift,
const struct dccg_mask *clk_mask);
struct dccg *dce120_dccg_create(struct dc_context *ctx);
#ifdef CONFIG_X86
struct dccg *dcn1_dccg_create(struct dc_context *ctx);
#endif
void dce_dccg_destroy(struct dccg **dccg);
#endif /* _DCE_CLOCKS_H_ */
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