diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h index 36ebd5bc7863..76f9ad1b23df 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h @@ -28,6 +28,131 @@ #include "dc.h" +#define DCN_MINIMUM_DISPCLK_Khz 100000 +#define DCN_MINIMUM_DPPCLK_Khz 100000 + +#ifdef CONFIG_DRM_AMD_DC_DCN2_1 +/* Constants */ +#define DDR4_DRAM_WIDTH 64 +#define WM_A 0 +#define WM_B 1 +#define WM_C 2 +#define WM_D 3 +#define WM_SET_COUNT 4 +#endif + +#define DCN_MINIMUM_DISPCLK_Khz 100000 +#define DCN_MINIMUM_DPPCLK_Khz 100000 + +#ifdef CONFIG_DRM_AMD_DC_DCN2_1 +/* Will these bw structures be ASIC specific? */ + +#define MAX_NUM_DPM_LVL 4 +#define WM_SET_COUNT 4 + + +struct clk_limit_table_entry { + unsigned int voltage; /* milivolts withh 2 fractional bits */ + unsigned int dcfclk_mhz; + unsigned int fclk_mhz; + unsigned int memclk_mhz; + unsigned int socclk_mhz; +}; + +/* This table is contiguous */ +struct clk_limit_table { + struct clk_limit_table_entry entries[MAX_NUM_DPM_LVL]; + unsigned int num_entries; +}; + +struct wm_range_table_entry { + unsigned int wm_inst; + unsigned int wm_type; + double pstate_latency_us; + bool valid; +}; + + +struct clk_log_info { + bool enabled; + char *pBuf; + unsigned int bufSize; + unsigned int *sum_chars_printed; +}; + +struct clk_state_registers_and_bypass { + uint32_t dcfclk; + uint32_t dcf_deep_sleep_divider; + uint32_t dcf_deep_sleep_allow; + uint32_t dprefclk; + uint32_t dispclk; + uint32_t dppclk; + + uint32_t dppclk_bypass; + uint32_t dcfclk_bypass; + uint32_t dprefclk_bypass; + uint32_t dispclk_bypass; +}; + +struct rv1_clk_internal { + uint32_t CLK0_CLK8_CURRENT_CNT; //dcfclk + uint32_t CLK0_CLK8_DS_CNTL; //dcf_deep_sleep_divider + uint32_t CLK0_CLK8_ALLOW_DS; //dcf_deep_sleep_allow + uint32_t CLK0_CLK10_CURRENT_CNT; //dprefclk + uint32_t CLK0_CLK11_CURRENT_CNT; //dispclk + + uint32_t CLK0_CLK8_BYPASS_CNTL; //dcfclk bypass + uint32_t CLK0_CLK10_BYPASS_CNTL; //dprefclk bypass + uint32_t CLK0_CLK11_BYPASS_CNTL; //dispclk bypass +}; + +struct rn_clk_internal { + uint32_t CLK1_CLK0_CURRENT_CNT; //dispclk + uint32_t CLK1_CLK1_CURRENT_CNT; //dppclk + uint32_t CLK1_CLK2_CURRENT_CNT; //dprefclk + uint32_t CLK1_CLK3_CURRENT_CNT; //dcfclk + uint32_t CLK1_CLK3_DS_CNTL; //dcf_deep_sleep_divider + uint32_t CLK1_CLK3_ALLOW_DS; //dcf_deep_sleep_allow + + uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass + uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass + uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass + uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass + +}; + +/* For dtn logging and debugging */ +struct clk_state_registers { + uint32_t CLK0_CLK8_CURRENT_CNT; //dcfclk + uint32_t CLK0_CLK8_DS_CNTL; //dcf_deep_sleep_divider + uint32_t CLK0_CLK8_ALLOW_DS; //dcf_deep_sleep_allow + uint32_t CLK0_CLK10_CURRENT_CNT; //dprefclk + uint32_t CLK0_CLK11_CURRENT_CNT; //dispclk +}; + +/* TODO: combine this with the above */ +struct clk_bypass { + uint32_t dcfclk_bypass; + uint32_t dispclk_pypass; + uint32_t dprefclk_bypass; +}; +/* + * This table is not contiguous, can have holes, each + * entry correspond to one set of WM. For example if + * we have 2 DPM and LPDDR, we will WM set A, B and + * D occupied, C will be emptry. + */ +struct wm_table { + struct wm_range_table_entry entries[WM_SET_COUNT]; +}; + +struct clk_bw_params { + unsigned int vram_type; + unsigned int num_channels; + struct clk_limit_table clk_table; + struct wm_table wm_table; +}; +#endif /* Public interfaces */ struct clk_states { @@ -51,6 +176,10 @@ struct clk_mgr_funcs { void (*init_clocks)(struct clk_mgr *clk_mgr); void (*enable_pme_wa) (struct clk_mgr *clk_mgr); + void (*get_clock)(struct clk_mgr *clk_mgr, + struct dc_state *context, + enum dc_clock_type clock_type, + struct dc_clock_config *clock_cfg); }; struct clk_mgr { @@ -58,6 +187,9 @@ struct clk_mgr { struct clk_mgr_funcs *funcs; struct dc_clocks clks; int dprefclk_khz; // Used by program pixel clock in clock source funcs, need to figureout where this goes +#ifdef CONFIG_DRM_AMD_DC_DCN2_1 + struct clk_bw_params *bw_params; +#endif }; /* forward declarations */ |