diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h new file mode 100644 index 000000000..3e2f0f64c --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h @@ -0,0 +1,187 @@ +/* + * Copyright 2018 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_DCCG_H__ +#define __DAL_DCCG_H__ + +#include "dc_types.h" +#include "hw_shared.h" + +enum phyd32clk_clock_source { + PHYD32CLKA, + PHYD32CLKB, + PHYD32CLKC, + PHYD32CLKD, + PHYD32CLKE, + PHYD32CLKF, + PHYD32CLKG, +}; + +enum physymclk_clock_source { + PHYSYMCLK_FORCE_SRC_SYMCLK, // Select symclk as source of clock which is output to PHY through DCIO. + PHYSYMCLK_FORCE_SRC_PHYD18CLK, // Select phyd18clk as the source of clock which is output to PHY through DCIO. + PHYSYMCLK_FORCE_SRC_PHYD32CLK, // Select phyd32clk as the source of clock which is output to PHY through DCIO. +}; + +enum streamclk_source { + REFCLK, // Selects REFCLK as source for hdmistreamclk. + DTBCLK0, // Selects DTBCLK0 as source for hdmistreamclk. + DPREFCLK, // Selects DPREFCLK as source for hdmistreamclk +}; + +enum dentist_dispclk_change_mode { + DISPCLK_CHANGE_MODE_IMMEDIATE, + DISPCLK_CHANGE_MODE_RAMPING, +}; + +enum pixel_rate_div { + PIXEL_RATE_DIV_BY_1 = 0, + PIXEL_RATE_DIV_BY_2 = 1, + PIXEL_RATE_DIV_BY_4 = 3, + PIXEL_RATE_DIV_NA = 0xF +}; + +struct dccg { + struct dc_context *ctx; + const struct dccg_funcs *funcs; + int pipe_dppclk_khz[MAX_PIPES]; + int ref_dppclk; + bool dpp_clock_gated[MAX_PIPES]; + //int dtbclk_khz[MAX_PIPES];/* TODO needs to be removed */ + //int audio_dtbclk_khz;/* TODO needs to be removed */ + //int ref_dtbclk_khz;/* TODO needs to be removed */ +}; + +struct dtbclk_dto_params { + const struct dc_crtc_timing *timing; + int otg_inst; + int pixclk_khz; + int req_audio_dtbclk_khz; + int num_odm_segments; + int ref_dtbclk_khz; + bool is_hdmi; +}; + +struct dccg_funcs { + void (*update_dpp_dto)(struct dccg *dccg, + int dpp_inst, + int req_dppclk); + void (*get_dccg_ref_freq)(struct dccg *dccg, + unsigned int xtalin_freq_inKhz, + unsigned int *dccg_ref_freq_inKhz); + void (*set_fifo_errdet_ovr_en)(struct dccg *dccg, + bool en); + void (*otg_add_pixel)(struct dccg *dccg, + uint32_t otg_inst); + void (*otg_drop_pixel)(struct dccg *dccg, + uint32_t otg_inst); + void (*dccg_init)(struct dccg *dccg); + + void (*set_dpstreamclk)( + struct dccg *dccg, + enum streamclk_source src, + int otg_inst, + int dp_hpo_inst); + + void (*enable_symclk32_se)( + struct dccg *dccg, + int hpo_se_inst, + enum phyd32clk_clock_source phyd32clk); + + void (*disable_symclk32_se)( + struct dccg *dccg, + int hpo_se_inst); + + void (*enable_symclk32_le)( + struct dccg *dccg, + int hpo_le_inst, + enum phyd32clk_clock_source phyd32clk); + + void (*disable_symclk32_le)( + struct dccg *dccg, + int hpo_le_inst); + + void (*set_symclk32_le_root_clock_gating)( + struct dccg *dccg, + int hpo_le_inst, + bool enable); + + void (*set_physymclk)( + struct dccg *dccg, + int phy_inst, + enum physymclk_clock_source clk_src, + bool force_enable); + + void (*set_dtbclk_dto)( + struct dccg *dccg, + const struct dtbclk_dto_params *params); + + void (*set_audio_dtbclk_dto)( + struct dccg *dccg, + const struct dtbclk_dto_params *params); + + void (*set_dispclk_change_mode)( + struct dccg *dccg, + enum dentist_dispclk_change_mode change_mode); + + void (*disable_dsc)( + struct dccg *dccg, + int inst); + + void (*enable_dsc)( + struct dccg *dccg, + int inst); + + void (*set_pixel_rate_div)(struct dccg *dccg, + uint32_t otg_inst, + enum pixel_rate_div k1, + enum pixel_rate_div k2); + + void (*set_valid_pixel_rate)( + struct dccg *dccg, + int ref_dtbclk_khz, + int otg_inst, + int pixclk_khz); + + void (*trigger_dio_fifo_resync)( + struct dccg *dccg); + + void (*dpp_root_clock_control)( + struct dccg *dccg, + unsigned int dpp_inst, + bool clock_on); + + void (*enable_symclk_se)( + struct dccg *dccg, + uint32_t stream_enc_inst, + uint32_t link_enc_inst); + + void (*disable_symclk_se)( + struct dccg *dccg, + uint32_t stream_enc_inst, + uint32_t link_enc_inst); +}; + +#endif //__DAL_DCCG_H__ |